Bangladesh Bank MCQs
Showing 50 questions (Total: 2106)
Which one is the High -Level Programming language?
Correct Answer:
C: Python
One Tera Byte equal to how many bytes?
Correct Answer:
D: 1012Bytes
Blue tooth technology uses-
Correct Answer:
C: Radio wave
Which device is mainly related to provide security of a network?
Correct Answer:
B: Firewall
Which communication media is necessary to access online banking from a plane or ship?
Correct Answer:
D: Radio Link
Which one is the Strongest Password?
Correct Answer:
B: $4Rr#345we#Jan21$
10² is how many times of (0.01)³ ?
Correct Answer:
D: 108
Explanation:
10² is how many times of (0.01)³ ? Correct Answer 108 Let, 10^2 is X times of (0.01)^3So, 10^2 = X × (0.01)^3Or, 10^2 = X × (10^-2)^3Or, X = 10^2/10^-6Or, X = 10^2-(-6)Or, X = 10^8And the answer is 10^8
An amount of money is invested in a savings account for two years. It increased by Tk. 52.50 in two years. after annual compounding at the rate of 10% per year. What is the amount invested initially?
Correct Answer:
C: TK. 250
Explanation:
An amount of money is invested in a savings account for two years. It increased by Tk. 52.50 in two years. after annual compounding at the rate of 10% per year. What is the amount invested initially? Correct Answer TK. 250 Final interest = [invested amount{1 +(interest rate/100)}^ time] - invested amount final interest = 52.50interest rate = 10time = 2invested amount =?Now do the calculation.
The angles of a triangle are in the proportion of 1:2:3 and the length of the smallest side is 1 c. what is the length of the longest side of the triangle?
Correct Answer:
A: 2 cm
Explanation:
The angles of a triangle are in the proportion of 1:2:3 and the length of the smallest side is 1 c. what is the length of the longest side of the triangle? Correct Answer 2 cm x + 2x + 3x = 180 degrees6x = 180x = 180/6x = 30 degreesThe right triangle has vertices A, B, and C of 30, 60, and 90 degrees.A = 30, B = 60, C = 90 degreessmallest side is opposite 30 degrees (A) = opp = 1 cmlongest side is hypotenuse opposite 90 degrees (C) = hyp1/hyp = sin(30)1/hyp = 0.5hyp = 1/.5 = 2
A passenger paid 50% customs duty on accompanied baggage items. He paid another 20% sales tax on the total value of the items plus the custom duty paid. The total custom duty and sales tax is Tk. 350. what is the value of the item custom duty and sales tax?
Correct Answer:
D: None these
Explanation:
A passenger paid 50% customs duty on accompanied baggage items. He paid another 20% sales tax on the total value of the items plus the custom duty paid. The total custom duty and sales tax is Tk. 350. what is the value of the item custom duty and sales tax? Correct Answer None these 50% customs duty on accompanied baggage items. another 20% sales tax on the total value of the items .total = (50 + 20)= 70%so,70%= 350;1 % = 350/70100 = (350*100)/70 = 500. Ans.
A square room has a square carpet symmetrically placed in it. This leaves an uncovered area of 9 meter2. The area of the whole romm is 25 meter2 . What is the length of the one side the carpet?
Correct Answer:
B: 4 meter
If a:b=4:7 and b:c=5:6 than a:b:c=?
Correct Answer:
B: 20: 35: 42
Explanation:
If a:b=4:7 and b:c=5:6 than a:b:c=? Correct Answer 20: 35: 42 a : b = 4 : 7 = 20 : 35 [5 দ্বারা গুণ করাে]b: c = 5 : 6 = 35 : 42 [7 দ্বারা গুণ করে]a : b : c = 20 : 35 : 42
A person's present age is two - fifth of the age of his mother. After 8 years. he will be one half of the age of his mother . What is the present age of the mother?
Correct Answer:
C: 40
Explanation:
A person's present age is two - fifth of the age of his mother. After 8 years. he will be one half of the age of his mother . What is the present age of the mother? Correct Answer 40 Suppose, mother's age is x, hence person's age is 2x5After 8 years, mother's age will be x + 8 and person's age will be 2x5+8=2x+405According to question,x+8=2x+405×2⇒x+8=4x+805⇒5x+40=4x+80⇒5x-4x=80-40∴x=40Hence, mother's present age is 40
If x/y =1/3, then value of (x2+y2)/(x2-y2) is-
Correct Answer:
C: -5/4
Explanation:
If x/y =1/3, then value of (x2+y2)/(x2-y2) is- Correct Answer -5/4 xy = 13 x2y2 = 19 x2+y2x2-y2 = 1+91-9 = 10-8 = -54 (Ans)
On a 2 km road, a total of 201 tress are planed on the side of the road at equal distance. How many such trees will be planed on a50 k.m road such that the distance between two consecutive tress is the same as that of the consecutive trees on the 2k.m road?
Correct Answer:
B: 5001
Explanation:
On a 2 km road, a total of 201 tress are planed on the side of the road at equal distance. How many such trees will be planed on a50 k.m road such that the distance between two consecutive tress is the same as that of the consecutive trees on the 2k.m road? Correct Answer 5001 Without the first tree, number of the tree is (201-1)=200In 2 km number of trees are 200In 1 “. ” “ ” 200/250 “. ”. “. ”. 200*50/2 =5000Total tree will be 5000+1=5001
Mr. X had Tk. 1000 in his savings account. Every month in the first week he needs money, so he withdraws Tk. 500, but by the end of the month , he deposits Tk. 750. After how many months, the original amount will grow three times?
Correct Answer:
C: 8 months
Explanation:
Mr. X had Tk. 1000 in his savings account. Every month in the first week he needs money, so he withdraws Tk. 500, but by the end of the month , he deposits Tk. 750. After how many months, the original amount will grow three times? Correct Answer 8 months Let, n be the no. of monthThen,initial deposit-n*Monthly Withdrawal + n*Monthly Deposit =Intial Deposit *3>1000-n*500 + n*750=3000>250*n=2000Therefore, n=8 month
A student obtained 60, 75 and 85 marks respectively in 3 monthly examinations in physics and 95 marks in the final examination. The 3 monthly examinations are of equal weightage whereas the final examination is weighted . What is his average mark physics?
Correct Answer:
A: 82
Explanation:
A student obtained 60, 75 and 85 marks respectively in 3 monthly examinations in physics and 95 marks in the final examination. The 3 monthly examinations are of equal weightage whereas the final examination is weighted . What is his average mark physics? Correct Answer 82 Correct option is C)We have,x1 = 60 x2 =75x3 = 85 x4 = 95 w1 = 1w2 = 1 w3 = 1 and w4 = 2∴ xw¯=w1x1+w2x2+w3x3+ w4x4w1+w2+w3+w4⇒ xw¯=(1×60)+(1×75)+(1×85)+ (2×95)1+1+1+2⇒ xw¯=4105∴ xw¯=82
Two small circular parks of diameter 16 meter and 12 meter are to be replaced by a bigger circular park. What would be the radius of this new park, if the new park has to occupy the same space as the two small parks?
Correct Answer:
C: 10 meter
Explanation:
Two small circular parks of diameter 16 meter and 12 meter are to be replaced by a bigger circular park. What would be the radius of this new park, if the new park has to occupy the same space as the two small parks? Correct Answer 10 meter We know,Area of circle, A = πr² diameter of first circle = 16m ∴ radius = 16 2m = 8m ∴ Area of first circle, A₁ = π x 8²= π x 64 = 201m² diameter of second circle = 12m ∴ radius = 12 2m = 6m Area of second circle, A₂ = π x 6²= π x 36 = 113m²Sum of two circle, 201m² + 113m² = 314m²According to question, Large Circle:314= πr²r² = 314 πr² =314 3.14 [∵ π = 3.14]r² = 100r = √100r = 10m
At a stationary shop, it costs Tk. 185 for 4 gel-pen, 8 ball -point pens and 1 marker pen and Tk. 315 for 7 gel-pens, 15 ball point pens and 1 marker pen. What would be the cost of 1 gel-pen, 1 ball -point pen and 1 marker pen?
Correct Answer:
B: Tk. 55
Explanation:
At a stationary shop, it costs Tk. 185 for 4 gel-pen, 8 ball -point pens and 1 marker pen and Tk. 315 for 7 gel-pens, 15 ball point pens and 1 marker pen. What would be the cost of 1 gel-pen, 1 ball -point pen and 1 marker pen? Correct Answer Tk. 55 Let, price of gel-pen, ball-pen, and marker-pen are respectively x,y,zFirst case,4x+8y+z=185…………..(1)2nd case,7x+15y+z=315…………..(2)eq. (2)-(1)>>3x+7y=130………………..(3)Now eq. (2)-(3)*2 >>1x+1y+1z=315-260=55 ans 55
What is the smallest number of apples that can be distributed equally (without cutting any apple) among 6,10,14 and 18 boys?
Correct Answer:
D: 630
Explanation:
What is the smallest number of apples that can be distributed equally (without cutting any apple) among 6,10,14 and 18 boys? Correct Answer 630 For finding smallest number, we have to perform Least common multiple (LCM) LCM of 6,10,14 and 18 are = 630 (Ans)
In a certain population group, 57% of the people have characteristics, X and 63% have characteristics Y. If every person in the group has at lest what percent of the people have both X and Y?
Correct Answer:
A: 20%
Explanation:
In a certain population group, 57% of the people have characteristics, X and 63% have characteristics Y. If every person in the group has at lest what percent of the people have both X and Y? Correct Answer 20% Ans100% =57% + 63% - BothBoth = 120 - 100 = 20%
The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added. The first one is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average-
Correct Answer:
B: 40.4
Explanation:
The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added. The first one is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average- Correct Answer 40.4 According to question, Sum = (40.2 × 10 - 18 + 33 - 13) = 404Correct Average = 404/10 = 40.4
If the numerator of a fraction is increased by 2 and the denominator by 1 it becomes 1. Again, if the numerator decreased by 4 and the denominator by 2 it becomes 1/2 Find the fraction.
Correct Answer:
D: 7/8
Explanation:
If the numerator of a fraction is increased by 2 and the denominator by 1 it becomes 1. Again, if the numerator decreased by 4 and the denominator by 2 it becomes 1/2 Find the fraction. Correct Answer 7/8 Let, the fraction is xyATQ, x+2y+1=1Multiplying both sides by y+1x + 2 = y + 1x = y - 1x-4y-2=122x-4=1y-22x-8=y-22x=y+6Inserting x = y-1 to equation above2(y-1)= y+62y-2 = y+6y = 8Using x = y - 1x = 8 - 1x = 7 so xy=78
The different between the length and breath of rectangle is 23 meter. If its perimeter is 206 meter, then, its area is-
Correct Answer:
D: 2520 sq meter
Explanation:
The different between the length and breath of rectangle is 23 meter. If its perimeter is 206 meter, then, its area is- Correct Answer 2520 sq meter Let, the length = x meter the breath = y meterAccording to question, 2(x+y) = 206 or, x+y = 103 x-y = 23 Doing addition and Subtraction, we get x= 63 and y = 40So, the area of the rectangle is = xy = 63*40 = 2520 sq meter (Ans)
M is older than N but younger than O. If m, n and o are the ages of M, N and O respectively, then which of the following is true?
Correct Answer:
B: n
A merchant has 1000 kg of sugar, part of which he sells at 8% and the remaining at 18% profit. He gains 14% on the whole. Find the quantity of sugar that he sold at 18% profit.
Correct Answer:
C: 600kg
Explanation:
A merchant has 1000 kg of sugar, part of which he sells at 8% and the remaining at 18% profit. He gains 14% on the whole. Find the quantity of sugar that he sold at 18% profit. Correct Answer 600kg Let the C.P. of sugar be Rs. x per kg.Then, C.P. = Rs. 1000xLet the sugar sold at 8% gain by y kg.Then, sugar sold at 18% gain =(1000 − y) kg∴ (100108 × xy) + [100118 × x(1000 − y)] = 100114 × 1000x⇒ 100108y + 1180 − 100118y = 1140⇒ 10010y = 40⇒ y =400∴ Quantity sold at 18% gain =(1000 − 400) kg=600 kg.
কোন ঔপন্যাসিকের চারটি উপন্যাস একত্রে সংকলিত হয়েছে ‘শতবর্ষ' নামে?
Correct Answer:
গ: রমেশচন্দ্র দত্ত
Explanation:
কোন ঔপন্যাসিকের চারটি উপন্যাস একত্রে সংকলিত হয়েছে ‘শতবর্ষ' নামে? সঠিক উত্তর রমেশচন্দ্র দত্ত রমেশচন্দ্রের চারটি ঐতিহাসিক উপন্যাস বঙ্গবিজেতা (১৮৭৪), মাধবীকঙ্কণ (১৮৭৭), জীবন-প্রভাত (১৮৭৮) এবং জীবন-সন্ধ্যা (১৮৭৯) যথাক্রমে আকবর, শাজাহান এবং আওরঙ্গজেব এবং জাহাঙ্গীরের সময়ের ঘটনা অবলম্বনে রচিত হয়েছিল । মুঘল সাম্রাজ্যের শতবর্ষের ইতিহাসের ঘটনা নিয়ে এই উপন্যাসগুলি রচিত হয়েছিল বলে এগুলি একসাথে শতবর্ষ (১৮৭৯) নামে সঙ্কলিত হয়েছিল ।
বাংলাদেশের দক্ষিণ অঞ্চলের আঞ্চলিক কথ্য রীতি / উপভাষার নাম কি?
Correct Answer:
ক: বাঙ্গালি
Explanation:
বাংলাদেশের দক্ষিণ অঞ্চলের আঞ্চলিক কথ্য রীতি / উপভাষার নাম কি? সঠিক উত্তর বাঙ্গালি এটি অধুনা বাংলাদেশের প্রধান উপভাষা।ঢাকা বিভাগ, ময়মনসিংহ বিভাগ, খুলনা বিভাগ, বরিশাল বিভাগ, বৃহত্তর কুমিল্লা-নোয়াখালী এবং ত্রিপুরার বিস্তীর্ণ অঞ্চল জুড়ে আছে এই উপভাষা। ভাষাভাষী সংখ্যা বিবেচনায় এই উপভাষাই সবচেয়ে বেশি ব্যবহৃত।
বাংলা উপন্যাসের জনক বলা হয় কাকে?
Correct Answer:
ঘ: বঙ্কিমচন্দ্র চট্টোপাধ্যায়
Explanation:
বাংলা উপন্যাসের জনক বলা হয় কাকে? সঠিক উত্তর বঙ্কিমচন্দ্র চট্টোপাধ্যায় বঙ্কিমচন্দ্রকে বাংলা সাহিত্যের প্রথম সার্থক উপন্যাসিক বলা হয়। তাকে বাংলার স্কট নামে অভিহিত করা হয়েছে। লেখকের প্রথম বাংলা উপন্যাস দুর্গেশনন্দিনী(১৮৬৫)। দুর্গেশ নন্দিনী শব্দের অর্থ দুর্গ প্রধানের কন্যা।
‘অতঃপর' শব্দের মূলশব্দ কোনটি?
Correct Answer:
ক: অনন্তর
‘শনিবারের চিঠি' কি ধরনের সাহিত্য পত্রিকা?
Correct Answer:
গ: হাস্যরসাত্মক
Explanation:
‘শনিবারের চিঠি' কি ধরনের সাহিত্য পত্রিকা? সঠিক উত্তর হাস্যরসাত্মক শনিবারের চিঠি স্যাটায়ার ধর্মী সাহিত্যিক পত্রিকা। প্রথম দিকে এটি সাপ্তাহিক পরে মাসিক পত্রিকা হিসেবে প্রকাশিত হয়। এর প্রধান উদ্দেশ্য ছিল হাস্য কৌতুকের মাধ্যমে সমসাময়িক সাহিত্য-চর্চাকে আক্রমণ করা। যোগানন্দ দাস ছিলেন একাধারে উক্ত পত্রিকার প্রথম সম্পাদক, প্রকাশক ও মুদ্রাকর।
বাংলা ভাষার মৌলিক স্বরধ্বনির সংখ্যা কত?
Correct Answer:
খ: ৭টি
Explanation:
বাংলা ভাষার মৌলিক স্বরধ্বনির সংখ্যা কত? সঠিক উত্তর ৭টি মৌলিক স্বরধ্বনি ৭টি - অ, আ, ই, উ, এ, ও এবং অ্যা।
‘লোকসাহিত্য' সংগ্রহে অবদান রেখেছেন কে?
Correct Answer:
গ: দীনেশচন্দ্র সেন
Explanation:
‘লোকসাহিত্য' সংগ্রহে অবদান রেখেছেন কে? সঠিক উত্তর দীনেশচন্দ্র সেন দীনেশচন্দ্র সেন গ্রামবাংলার বিভিন্ন অঞ্চল ঘুরে প্রাচীন বাংলার পুঁথি সংগ্রহ করেন এবং বাংলা সাহিত্যের ইতিহাস রচনা করেন। লেখনীর মাধ্যমে তিনি গ্রামবাংলার লোকসাহিত্য বিশ্বদরবারে তুলে ধরেছেন।
‘আগুন’ এর সমার্থক শব্দ কোনটি?
Correct Answer:
খ: অনল
অভয়া' চরিত্রটি শরৎচন্দ্র চট্টোপাধ্যায়ের কোন উপন্যাসে রয়েছে?
Correct Answer:
খ: শ্রীকান্ত
নিচের কোনটি ‘মহাপ্রাণ ধ্বনি?
Correct Answer:
গ: ঢ
Explanation:
নিচের কোনটি ‘মহাপ্রাণ ধ্বনি? সঠিক উত্তর ঢ 'ঢ' বলার সময় মুখ দিয়ে সজোরে বাতাস বের হয়। তাই ঢ মহাপ্রাণ ধ্বনি।
কোন উপসর্গটি 'বাংলা' ও 'তৎসম' উভয় ক্ষেত্রে ব্যবহৃত হয়?
Correct Answer:
ঘ: সু
Explanation:
কোন উপসর্গটি 'বাংলা' ও 'তৎসম' উভয় ক্ষেত্রে ব্যবহৃত হয়? সঠিক উত্তর সু আ,সু,বি,নি এই চারটি বাংলা ও তৎসম উভয় ক্ষেত্রে ব্যবহার হয়।
‘একাদশে বৃহস্পতি' অর্থ কি?
Correct Answer:
খ: সৌভাগ্যের বিষয়
Which technology is used by crypto currencies?
Correct Answer:
C: Blockchain
Explanation:
Which technology is used by crypto currencies? Correct Answer Blockchain A blockchain is a decentralized, distributed and public digital ledger that is used to record transactions across many computers so that the record cannot be altered.Bitcoin and Ethereum are popular examples of blockchains.
RAM belongs to which kind of memory-
Correct Answer:
B: Main Memory
Explanation:
RAM belongs to which kind of memory- Correct Answer Main Memory Computer memory is of two basic types – Primary memory(RAM and ROM) and Secondary memory (hard drive, CD, etc). Random Access Memory (RAM) is primary-volatile memory and Read-Only Memory (ROM) is primary-non-volatile memory. So, RAM is a primary memory
Which of the following in the analogy of 'WORSHIP: SACRIFICE'?
Correct Answer:
A: Prediction : Auguary
Explanation:
Which of the following in the analogy of 'WORSHIP: SACRIFICE'? Correct Answer Prediction : Auguary Sacrifice ছাড়া worship (প্রার্থনা) হয় না। তেমনি, Augury(পূর্বাভাস) ছাড়া prediction হয় না।
Which of the following resembles MOCK: IMITATE?
Correct Answer:
A: Condense : Summarize
Explanation:
Which of the following resembles MOCK: IMITATE? Correct Answer Condense : Summarize Mock মানে উপহাস করা এবং Imitate মানে অনুকরণ করা।আবার প্রদত্ত অপশনে,Condense মানে ঘনীভূত করা আর Summarize মানে একত্র করা।Adapt মানে মানিয়ে নেয়া আর Duplicate মানে নকল করা।Taunt মানে বিদ্রুপ করা আর Challenge মানে আহবান করা।Sataire মানে ব্যাঙ্গকৌতক আর Charm মানে গুণ।
What is the antonym of the word ABJURE?
Correct Answer:
C: Espouse
Explanation:
What is the antonym of the word ABJURE? Correct Answer Espouse Abjure- বর্জন করা Espouse - সমড়তন করা / বিবাহ করা So Correct answer - Espouse
The term ALACRITY is same as-
Correct Answer:
B: Enthusiasm
Explanation:
The term ALACRITY is same as- Correct Answer Enthusiasm Alacrity /enthusiasmআগ্রহ/ উদ্যম
Antonym of the word FLAGITIOUS is-
Correct Answer:
D: Innocent
Explanation:
Antonym of the word FLAGITIOUS is- Correct Answer Innocent Flagitious - কলুষিত innocent - নির্দোষ।
Select the term that contrasts INTRICATE-
Correct Answer:
D: Easy
Explanation:
Select the term that contrasts INTRICATE- Correct Answer Easy Intricate অর্থ জটিল। Easy অর্থাৎ সহজ।
Which of the following is the opposite of the word INHIBIT?
Correct Answer:
A: Encourage
Explanation:
Which of the following is the opposite of the word INHIBIT? Correct Answer Encourage Inhibit- দমন করা Encourage - উৎসাহিত করা
Complete the sentence with appropriate word- "The aspiring candidate's performance in the debate all but ..... any hope he may have had of wining the election
Correct Answer:
A: nullifies
Explanation:
Complete the sentence with appropriate word- "The aspiring candidate's performance in the debate all but ..... any hope he may have had of wining the election Correct Answer nullifies nullifies অর্থ বাতিল করা অথবা ভঙ্গ করা
Fill up the gap of the sentence 'I am accustomed..... plain living choosing right preposition.
Correct Answer:
A: to
Explanation:
Fill up the gap of the sentence 'I am accustomed..... plain living choosing right preposition. Correct Answer to Accustomed = অভ্যস্থ
Choose the correct replacement of the underlined portion of the sentence 'If I would have known about the traffic jam at the bridge, I would have taken the alternate route'.
Correct Answer:
D: Had I known about
Explanation:
Choose the correct replacement of the underlined portion of the sentence 'If I would have known about the traffic jam at the bridge, I would have taken the alternate route'. Correct Answer Had I known about Third condition: If+ subject+(past perfect )+………., subject+ would/could/might+ have + past participle+………or, Had +subject+ past participle+………,subject+ would/could/might+ have + past participle+………