Standard Bank Ltd MCQs
Showing 50 questions (Total: 539)
How many countries are members of the SAARC?
Correct Answer:
D: 8
Explanation:
How many countries are members of the SAARC? Correct Answer 8 The member states are Afghanistan, Bangladesh, Bhutan, India, the Maldives, Nepal, Pakistan, and Sri Lanka. The SAARC was founded by seven states in 1985.
During the Liberation War of 1971, into how many sectors was Bangladesh divided?
Correct Answer:
D: 11
Explanation:
During the Liberation War of 1971, into how many sectors was Bangladesh divided? Correct Answer 11 ১৯৭১ সালে সংগঠিত বাংলাদেশের স্বাধীনতা যুদ্ধ পরিচলনায় অস্থায়ী বাংলাদেশ সরকারের পক্ষ থেকে যুদ্ধ পরিচালনার জন্য বাংলাদেশের সমগ্র ভূখণ্ডকে ১১টি যুদ্ধক্ষেত্র বা সেক্টরে ভাগ করা হয়।
Which one of the following is the largest lake in the world?
Correct Answer:
C: Caspian Sea
Explanation:
Which one of the following is the largest lake in the world? Correct Answer Caspian Sea The Caspian Sea is the world's largest inland body of water, variously classed as the world's largest lake or a full - fledged sea. An endorheic basin, it lies between Europe and Asia; east of the Caucasus, west of the broad steppe of Central Asia, south of the fertile plains of Southern Russia in Eastern Europe, and north of the mountainous Iranian Plateau of Western Asia.
এক কথায় প্রকাশ করুন : 'যে শুনেই মনে রাখতে পারে'।
Correct Answer:
গ: শ্রুতিধর
Explanation:
এক কথায় প্রকাশ করুন : 'যে শুনেই মনে রাখতে পারে'। সঠিক উত্তর শ্রুতিধর মেধা আছে যার - মেধাবী। যে শুনেই মনে রাখতে পারে - শ্রুতিধর। যা পূর্বে শোনা যায় নি - অশ্রুতপূর্ব। তাই সঠিক উত্তর: শ্রুতিধর।
বাগধারার অর্থ নির্ণয় করুন : 'বাঘের চোখ'।
Correct Answer:
ক: দুঃসাধ্য বস্তু
সন্ধি বিচ্ছেদ করুন : 'তদবধি'।
Correct Answer:
ঘ: তৎ + অবধি
Explanation:
সন্ধি বিচ্ছেদ করুন : 'তদবধি'। সঠিক উত্তর তৎ + অবধি Hints: তদবদি এর সন্ধিবিচ্ছেদ তৎ + অবদি।
বাংলা ভাষায় ব্যবহৃত যতিচিহ্ন গুলির কতটি বাক্যের শেষে বসে?
Correct Answer:
ঘ: ৪
Explanation:
বাংলা ভাষায় ব্যবহৃত যতিচিহ্ন গুলির কতটি বাক্যের শেষে বসে? সঠিক উত্তর ৪ ব্যাখাঃ বাংলা ভাষায় ব্যবহৃত যতিচিহ্ন এর মধ্যে চারটি চিহ্ন বাক্যের শেষে বসে দাড়ি, জিজ্ঞাসা চিহ্ন, বিস্ময় সূচক, জোড় দাড়ি
Annie can complete a term paper in 15 days while Bob can finish it in 20 days. What is the fraction of work left if both Annie & Bob work together for 4 days?
Correct Answer:
D: 8/15
Explanation:
Annie can complete a term paper in 15 days while Bob can finish it in 20 days. What is the fraction of work left if both Annie & Bob work together for 4 days? Correct Answer 8/15 Hints: The left work = ( 1 - 7/15) = 8/15
One 100 gram bowl of cream soup contains 300 calories. How many calories are there in a 30 gram portion of that soup?
Correct Answer:
A: 90
Explanation:
One 100 gram bowl of cream soup contains 300 calories. How many calories are there in a 30 gram portion of that soup? Correct Answer 90 Hints: 100 gram bowl of cream soup contains 300 calories 30 gram bowl of cream soup contain = 300× 30/100 = 90
To make a high quality fertilizer, a seller mixes 26 kg of type A fertilizer at Tk 20 per kg with 30 kg of type B fertilizer at Tk 36 per kg an sells the mixture at Tk. 30 per kg. What is her profit percentage?
Correct Answer:
B: 5%
Explanation:
To make a high quality fertilizer, a seller mixes 26 kg of type A fertilizer at Tk 20 per kg with 30 kg of type B fertilizer at Tk 36 per kg an sells the mixture at Tk. 30 per kg. What is her profit percentage? Correct Answer 5% Hints: Profit percent = (1680 - 1600)/1600 × 100 = 80/16o0× 100 = 5w
If 6 undergraduate students can complete 9 identical math projects in 3 days, how long (in days) will it take 4 undergraduate students to complete 10 such projects?
Correct Answer:
A: 5
Explanation:
If 6 undergraduate students can complete 9 identical math projects in 3 days, how long (in days) will it take 4 undergraduate students to complete 10 such projects? Correct Answer 5 Hints: (6× 3× 10) / 9× 4 = 5 days
A pineapple costs Tk 7 each. A watermelon costs Tk 5 each. Rahima spends exactly Tk 38 on these fruits. What was the number of pineapples purchased?
Correct Answer:
C: 4
Explanation:
A pineapple costs Tk 7 each. A watermelon costs Tk 5 each. Rahima spends exactly Tk 38 on these fruits. What was the number of pineapples purchased? Correct Answer 4 Hints: 4 number of pineapples purchased
What is the value of 'x' if the average of 3, 4, 8 and 'x' is exactly 5?
Correct Answer:
A: 5
Explanation:
What is the value of 'x' if the average of 3, 4, 8 and 'x' is exactly 5? Correct Answer 5 Hints: 5 = (3 + 4 + 8 + x) / 4 x = 5
How many miles can a motor cyclist travel from 8:25 a.m. to 9.55 a.m. at a speed of 80 miles per hour?
Correct Answer:
D: 120 miles
Explanation:
How many miles can a motor cyclist travel from 8:25 a.m. to 9.55 a.m. at a speed of 80 miles per hour? Correct Answer 120 miles Hints: 9:55 a.m - 8 : 25 am = 90 minute = 1.5 hour 1 hour go 80 miles 1.5 hour go (80× 1.5) = 120 miles
"X" is the minimum number of mangoes that must be added to an existing stock of 966 mangoes. So that the total stock can be equally distributed among 6, 7, 8 or 9 persons. What is the value of "X"?
Correct Answer:
B: 42
Explanation:
"X" is the minimum number of mangoes that must be added to an existing stock of 966 mangoes. So that the total stock can be equally distributed among 6, 7, 8 or 9 persons. What is the value of "X"? Correct Answer 42 Hints: 6, 7, 8, 9 এর ল, সা, গু করলে হয় 504 So, minimum mangoes need = ( 1008 - 966) = 42
'Today' is to 'Tomorrow' as 'Sunday' is to ----
Correct Answer:
B: Monday
Which one of the following is a read only memory storage device?
Correct Answer:
A: CD-ROM
Explanation:
Which one of the following is a read only memory storage device? Correct Answer CD-ROM Read Only কথার অর্থ হল কোন তথ্য শুধুমাত্র ব্যবহার করা যাবে কিন্তু সেটি পরিবর্তন বা নতুন তথ্য যোগ করা যাবে না। অর্থাৎ চারটি অপশন এর মধ্যে শুধুমাত্র CD - এর মধ্যে সংরক্ষিত তথ্য আমরা ব্যবহার করতে পারি কিন্তু এগুলো পরিবর্তন করা যায় না। (যদিও CD এর তথ্য প্রযোজ্যক্ষেত্রে পরিবর্তন করা যায় এবং বর্তমানে এর ব্যবহার নেই বললেই চলে) অন্য অপশন গুলোঃ হার্ডডিক্স, পেনড্রাইভ এবং ফ্লপি ডিস্ক এর তথ্য পরিবর্তন করা যায়।
1 KB= how many bytes?
Correct Answer:
B: 1024
In Windows operating system, What is the shortcut key for printing a word document?
Correct Answer:
A: Ctrl + P
Which one of the following is not an open source operating system?
Correct Answer:
C: Windows
Explanation:
Which one of the following is not an open source operating system? Correct Answer Windows Open Source কথাটির অর্থ হল যা সকলের জন্য উন্মুক্ত। অর্থাৎ কোন অপারেটিং সিস্টেম কোন programming language ব্যবহার করে তৈরি করা হয়েছে, এটি কিভাবে পরিচালিত হচ্ছে, কিভাবে এর পরিবর্তন করা যায় - এই সংক্রান্ত তথ্য সকলের জন্য উন্মুক্ত। নিজের প্রয়োজন অনুসারে এর পরিবর্তনেরও সুযোগ আছে। সাধারণত microsoft - এর Windows XP তৈরি করার জন্য যে সকল প্রোগ্রামিং ল্যাঙ্গুয়েজ বা প্রযুক্তি ব্যবহার করা হয়েছে তা সকলের জন্য উন্মুক্ত নয়। এজন্যই Windows XP (উইন্ডোস এক্সপি) Open Source নয়। কিছু ওপেন সোর্স সফটওয়্যার এর মধ্যে Unix, Linux, Sun solaris (Property of Unix) উল্লেখযোগ্য।
In computers, what is the smalles and basic unit of information storge?
Correct Answer:
A: Bit
All of the logic and mathematical calculations done by the computer happen in/on the ----
Correct Answer:
D: CPU
In MS Word, which one of the following shortcut commands is used to open a new window?
Correct Answer:
A: Ctrl + N
Which one of the following cables can transmit data at high speads?
Correct Answer:
C: Fibre optic cables
Which of the following country hosted the World Robot Conference 2015?
Correct Answer:
D: China
Explanation:
Which of the following country hosted the World Robot Conference 2015? Correct Answer China In 2017, China hosted the World Robot Conference also.
AIIB stands for ---
Correct Answer:
C: Asian Infrastructure Investment Bank
Explanation:
AIIB stands for --- Correct Answer Asian Infrastructure Investment Bank (a) officiate - কোনো অফিস বা পদের সঙ্গে সংশ্লিষ্ট থেকে দায়িত্ব পালন করা। (b) postpone - মূলতবি; (c) delay - বিলম্ব করা (d) hinder - ব্যাহত করা। অতএব, impede এবং hinder সমার্থক ।সঠিক উত্তর (d)
Which of the following cities is known as the city of Golden Gate?
Correct Answer:
A: San Francisco
Explanation:
Which of the following cities is known as the city of Golden Gate? Correct Answer San Francisco (a) confounded - বিভ্রান্ত/হতবুদ্ধি; (b) beneficial - উপকারী; (c) surprising - বিষ্ময়কর (d) negative - নেতিবাচক। option গুলো বিশ্লেষণ করলে দেখা যায় যে, salutary এবং beneficial সমার্থক। সঠিক উত্তর (b)
Choose the word which is most nearly opposite in meaning to the word given. ALOOFNESS
Correct Answer:
A: Concern
Explanation:
Choose the word which is most nearly opposite in meaning to the word given. ALOOFNESS Correct Answer Concern Aloofness - উদাসীনতা, তফাৎ, নির্লিপ্ততা। Concern - উদ্বেগ, গুরুত্ববহ হওয়া। Exaggeration - অত্যুাক্তি, অতিরঞ্জন । Complacency - প্রসন্নতা, সুখ, আত্মপ্রসাদ। Simplicity - সরলতা, অমিশ্রতা, ছলাকলাহীনতা।
Choose the word which is most nearly opposite in meaning to the word given. LUCID
Correct Answer:
C: Obscure
Explanation:
Choose the word which is most nearly opposite in meaning to the word given. LUCID Correct Answer Obscure Lucid - উজ্জ্বল, স্বচ্ছ, সহজবোধ্য। Ornate –সুসজ্জিত। obscu - অস্বচ্ছ, অজানা। Arrogant - অহংকারী। Embroiled - ঝগড়া লাগানো।
Choose the word which is most nearly opposite in meaning to the word given. ENIGMATIC
Correct Answer:
B: Unambiguous
Explanation:
Choose the word which is most nearly opposite in meaning to the word given. ENIGMATIC Correct Answer Unambiguous Enigmatic - দুর্বোধ্য, হেয়ালিপূর্ণ, বিভ্রান্তিকর। Frenetic - ধর্মান্ধ, ক্ষিপ্ত, প্রলাপ বকে এমন। Unambiguous - স্পষ্ট, দ্ব্যর্থহীন, পরিস্কার। Genuine - অকৃত্রিম, আসল, খাঁটি। Antagonistic - বৈরিতামূলক, তৈরি, বিরোধী।
Which of the following is concerned with the description and mapping of the main features of the universe?
Correct Answer:
A: Cosmography
Find out which quotation parts of the following sentences has an error. 'when' the sun is setting is Dhaka, on the directly 'side opposite' of the earth New York 'is just emerging' 'into sunlight'.
Correct Answer:
C: is just emerging
Explanation:
Find out which quotation parts of the following sentences has an error. 'when' the sun is setting is Dhaka, on the directly 'side opposite' of the earth New York 'is just emerging' 'into sunlight'. Correct Answer is just emerging has just + (v3) Past participle from of ‘verb’
Find out which quotation parts of the following sentences has an error. Trenches in the ocean floor are of 'great interest' because they are lines 'where' the earth crust often is 'so weak' to resist the impact of 'frequent earthquakes'.
Correct Answer:
C: so weak
Explanation:
Find out which quotation parts of the following sentences has an error. Trenches in the ocean floor are of 'great interest' because they are lines 'where' the earth crust often is 'so weak' to resist the impact of 'frequent earthquakes'. Correct Answer so weak সঠিক বাক্য হবে too weak to resist. উদাহরণ: I’m too weak to walk. আমি এতই দুর্বল যে হাঁটতে পারছি না। Too….to এভাবে negative meaning নিয়ে আসে। Too… to কে So…… that দিয়ে প্রকাশ করা যায়। যেমন - I’m so weak that I can not walk. এখানে Sentence এ সরাসরি can not walk বলা হয়েছে, অথচ too…to তে can not বলতে হয় না। দুটিই negative meaning.
Choose the appropriate word which can be substituted for the given sentence: To break off proceedings of a meeting for a time
Correct Answer:
C: Adjourn
Explanation:
Choose the appropriate word which can be substituted for the given sentence: To break off proceedings of a meeting for a time Correct Answer Adjourn Convene - একটি সভা আহবান, Terminate - নিরসন করা, খতম করা; Adjourn - স্থগিত রাখা, মুলতবি রাখা; Procrastinate - গড়িমসি করা, দীর্ঘসূত্রিতা করা; Proceedings - সভার কার্য় বিবরণী, কার্য়প্রনালী (স্থগিত রাখা) তাহলে adjourn ই সঠিক।
Choose the word which is most nearly opposite in meaning to the word given. CONCATENATE
Correct Answer:
D: Unlink
Explanation:
Choose the word which is most nearly opposite in meaning to the word given. CONCATENATE Correct Answer Unlink Concatenate - একসঙ্গে জোড়া, বন্ধ করা, শ্রেণীবদ্ধভাবে সংযুক্ত করা। Impede - ঠেকান। Derail - লাইন চ্যুত করা। Unlink - বিযুক্ত করা, জোড়া খোলা, কুণ্ডলী ছড়ানো।
Choose the appropriate word which can be substituted for the given sentence: One who resides in a country of which he is not a citizen
Correct Answer:
C: Foreigner
Explanation:
Choose the appropriate word which can be substituted for the given sentence: One who resides in a country of which he is not a citizen Correct Answer Foreigner Alien - বহিরাগত; Native - স্থানীয়, দেশজ; Foreigner - বিদেশী ব্যক্তি; Prodigal - অপব্যয়ী, উড়নচণ্ডী
Fill in the blanks: they fired upon the enemy from behind trees, walls and any other ---point they could find.
Correct Answer:
C: vantage
Explanation:
Fill in the blanks: they fired upon the enemy from behind trees, walls and any other ---point they could find. Correct Answer vantage Vantage point এর অর্থ এমন েএকটি স্থান বা অবস্থান যেখান থেকে কোনো কিছু ভালভাবে দেখা যায়। Conspicuous - সুস্পষ্ট। Definitive - নির্ধারক। Indefensible - অবর্জনীয়। এই ধরনের তিনটি স্থান থেকে গুলি করলে বিপদ হতে পারে।
Fill in the blanks: Some student are ----and want to take only courses for which they see immediate value.
Correct Answer:
B: pragmatic
Explanation:
Fill in the blanks: Some student are ----and want to take only courses for which they see immediate value. Correct Answer pragmatic কিছু ছাত্র এমন course গুলো নিতে চায় যেগুলোর immediate অর্থাৎ তাৎক্ষণিক value পাওয়া যাবে। এটি বাস্তববাদী চিন্তা। pragmatic - বাস্তবমুখী পদক্ষেপ। Theoretical - তাত্ত্বিক। Impartial - নিরপেক্ষ। idealistic - আদর্শবাদী। সুতরাং pragmatic সঠিক উত্তর।
Find out which quotation parts of the following sentences has an error. when an object 'heated'. The molecules 'move faster' and the faster 'the move', the 'hot' object.
Correct Answer:
D: hot
Explanation:
Find out which quotation parts of the following sentences has an error. when an object 'heated'. The molecules 'move faster' and the faster 'the move', the 'hot' object. Correct Answer hot The hotter the object হবে। কোন sentence এর প্রথমে comparative থাকলে, পরবর্তীতে ঐ ধরনের আরও তুলনামূলক adjective থাকলে সেটিও comparative হয়। তবে প্রথম অংশটির সাথে দ্বিতীয় অংশের কার্যকরণ (cause & effect) স্পষ্ট থাকতে হবে। যেমন He is faster and he is a good byo. এখানে good এর বদলে better হবে না। Faster এর কারণে সে good নয়। কিন্তু the faster he run, the better are his chances to win the race. এখানে faster দৌড়ানোর জন্য আর race জিতবার সুযোগও বাড়ছে। তাই better হবে।
Choose the appropriate word which can be substituted for the given sentence: A funny imitation of a poem
Correct Answer:
D: Parody
Explanation:
Choose the appropriate word which can be substituted for the given sentence: A funny imitation of a poem Correct Answer Parody Counterfeit - নকল, Sonnet - চতুর্দশপদী কবিতা; Caricature - ব্যাঙ্গকরণ, ব্যঙ্গকার্টুন; Parody - ব্যাঙ্গাত্মক রচনা, ব্যাঙ্গ কবিতা।
Fill in the blanks: The first forty years of life give us the text; the next thirty supply the -----.
Correct Answer:
D: commentary
Explanation:
Fill in the blanks: The first forty years of life give us the text; the next thirty supply the -----. Correct Answer commentary এটি Artur schopenhauer এর একটি well known উক্তি। commentary অর্থ - টীকা বা বিবরণী। সুতরাং প্রথম 40 years আমাদের text দেয়। আর next thirty years সেই text এর meaning বুঝায়।
If a number is divisible by 102 then it is also divisible by which of the following number?
Correct Answer:
D: All of these
Explanation:
If a number is divisible by 102 then it is also divisible by which of the following number? Correct Answer All of these As 102 is divisible by 2, 3 and 17 then the number which is divisible by 102 is also divisible by all of three numbers.
Fill in the blanks: this island is a colony; however, in most matters, it is ----and receives no orders from the mother country.
Correct Answer:
A: autonomous
Explanation:
Fill in the blanks: this island is a colony; however, in most matters, it is ----and receives no orders from the mother country. Correct Answer autonomous Autonomous - স্বশাসিত। যদিও islandটি colony, কিন্তু বেশিরভাগ ক্ষেত্রে এটি mother country থেকে কোন orders পায় না। সুতরাং স্বাধীনই প্রায়। Amorphous - নিরাকার, Distant - দূরবর্তী; Submissive - নমনীয়।
All 120 students in a class play cricket or football or both, 75 play cricket and 60 play football. How many students play both?
Correct Answer:
B: 15
Explanation:
All 120 students in a class play cricket or football or both, 75 play cricket and 60 play football. How many students play both? Correct Answer 15 <math xmlns = "http://www.w3.org/1998/Math/MathML"><mi>n</mi><mo>(</mo><mi>A</mi><mo>&#x222A;</mo><mi>B</mi><mo>)</mo><mo>&#xA0;</mo><mo> = </mo><mo>&#xA0;</mo><mi>n</mi><mo>(</mo><mi>A</mi><mo>)</mo><mo> + </mo><mi>n</mi><mo>(</mo><mi>B</mi><mo>)</mo><mo> - </mo><mi>n</mi><mo>(</mo><mi>A</mi><mo>&#x2229;</mo><mi>B</mi><mo>)</mo></math>⇒ 120 = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mn>75</mn><mo> + </mo><mn>60</mn><mo> - </mo><mi>n</mi><mo>(</mo><mi>A</mi><mo>&#x2229;</mo><mi>B</mi><mo>)</mo></math>⸫ <math xmlns = "http://www.w3.org/1998/Math/MathML"><mi>n</mi><mo>(</mo><mi>A</mi><mo>&#x2229;</mo><mi>B</mi><mo>)</mo><mo>&#xA0;</mo><mo> = </mo><mo>&#xA0;</mo><mn>15</mn></math>
If x+y=4 and y+z=8 and z+x=6, then 2x-y-z=?
Correct Answer:
D: None of these
Explanation:
If x+y=4 and y+z=8 and z+x=6, then 2x-y-z=? Correct Answer None of these x + y = 4y + z = 8z + x = 6⸫ 2x + 2y + 2z = 4 + 8 + 6Now 2x + 2y + 2z - 3(y + z) = 4 + 8 + 6 - 3(y + z)2x - y - z = 4 + 8 + 6 - 3×8 [y + z = 8] = - 6
Son's age is now one third of father's age. In 12 years from now son's age will be one half of father's age. What is the son's age
Correct Answer:
C: 12
Explanation:
Son's age is now one third of father's age. In 12 years from now son's age will be one half of father's age. What is the son's age Correct Answer 12 Let, the son's age be x, so father's age is 3xNow, x + 12 = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mo>(</mo><mn>3</mn><mi>x</mi><mo> + </mo><mn>12</mn><mo>)</mo></mrow><mn>2</mn></mfrac></math>⇒ 2x + 24 = 3x + 12⇒ x = 12
A typist can type 125 pages, 36 lines cach, 11 words in each line in 5 days. How many pages of 30 lines each and 12 words to each line can he type in 6 days?
Correct Answer:
B: 165
Explanation:
A typist can type 125 pages, 36 lines cach, 11 words in each line in 5 days. How many pages of 30 lines each and 12 words to each line can he type in 6 days? Correct Answer 165 In 5 days writes 36 lines with 11 words and produces 125 pages⸫ " 1 " " 36 " " 11 " " " <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>125</mn><mn>5</mn></mfrac></math> pages ⸫ " 1 " " 1 " " 1 " " " <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>125</mn><mo>&#xD7;</mo><mn>36</mn><mo>&#xD7;</mo><mn>11</mn></mrow><mn>5</mn></mfrac></math> "⸫ " 1 " " 30 " " 12 " " <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>125</mn><mo>&#xD7;</mo><mn>36</mn><mo>&#xD7;</mo><mn>11</mn><mo>&#xD7;</mo><mn>6</mn></mrow><mrow><mn>5</mn><mo>&#xD7;</mo><mn>30</mn><mo>&#xD7;</mo><mn>12</mn></mrow></mfrac></math> " = 165 pages
5% merchandise of a trader was stolen and another 5% was damaged during transportation. At what profit (in %) should he sell the rest of the merchandise so that he can make an overall profit of 20%?
Correct Answer:
D: 33.33%
Explanation:
5% merchandise of a trader was stolen and another 5% was damaged during transportation. At what profit (in %) should he sell the rest of the merchandise so that he can make an overall profit of 20%? Correct Answer 33.33% The remaining is (100 - 5 - 5)% = 90% of the merchendise unit.The difference between merchandise and profit = (120 - 90) = 30 unit90% merchandise (unit) has to make 30 unit profit ⸫ 1% " " " " <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>30</mn><mn>90</mn></mfrac></math> " "⸫ 100% " " " " <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>30</mn><mo>&#xD7;</mo><mn>100</mn></mrow><mn>90</mn></mfrac></math> " " = 33.33%
In a group of 4 people, the height of the group members are 5 feet 4 inches, 5 feet, 5 feet 6 inches, and 4 feet 10 inches. The average height of the group members is :
Correct Answer:
C: 5 feet 2 inches
Explanation:
In a group of 4 people, the height of the group members are 5 feet 4 inches, 5 feet, 5 feet 6 inches, and 4 feet 10 inches. The average height of the group members is : Correct Answer 5 feet 2 inches First we convert all the length to inches (the smaller unit), then we average and finally conver to feet and inchs. At 12 inches make 1 foot, soAverage = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>12</mn><mo>(</mo><mn>5</mn><mo> + </mo><mn>5</mn><mo> + </mo><mn>5</mn><mo> + </mo><mn>4</mn><mo>)</mo><mo> + </mo><mn>4</mn><mo> + </mo><mn>0</mn><mo> + </mo><mn>6</mn><mo> + </mo><mn>10</mn></mrow><mn>4</mn></mfrac></math> = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>12</mn><mo>&#xD7;</mo><mn>19</mn><mo> + </mo><mn>4</mn><mo> + </mo><mn>6</mn><mo> + </mo><mn>10</mn></mrow><mn>4</mn></mfrac></math> = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>228</mn><mo> + </mo><mn>5</mn><mo> + </mo><mn>6</mn><mo> + </mo><mn>10</mn></mrow><mn>4</mn></mfrac></math> = 62 inches = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>62</mn><mn>12</mn></mfrac></math> feet = 5.1666 feet
If the area of a square increase by 69%, then side of the square increases by ---
Correct Answer:
C: 30%
Explanation:
If the area of a square increase by 69%, then side of the square increases by --- Correct Answer 30% It is best to back calculation from the answer.For 13% increse in side, area increases = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mn>13</mn><mo> + </mo><mn>13</mn><mo> + </mo><mfrac><mrow><mn>13</mn><mo>&#xD7;</mo><mn>13</mn></mrow><mn>100</mn></mfrac><mo> = </mo><mn>27</mn><mo>.</mo><mn>69</mn><mo>%</mo></math>For 29% " " " " " " = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mn>29</mn><mo> + </mo><mn>29</mn><mo> + </mo><mfrac><mrow><mn>29</mn><mo>&#xD7;</mo><mn>29</mn></mrow><mn>100</mn></mfrac><mo> = </mo><mn>66</mn><mo>.</mo><mn>41</mn><mo>%</mo></math>For 30% " " " " " " = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mn>30</mn><mo> + </mo><mn>30</mn><mo> + </mo><mfrac><mrow><mn>30</mn><mo>&#xD7;</mo><mn>30</mn></mrow><mn>100</mn></mfrac><mo> = </mo><mn>69</mn><mo>%</mo></math>