mathematics MCQs
Showing 50 questions (Total: 16798)
what is the greater of two numbers whose product is 900 , if sum of these two numbers exceeds their difference by 30?
Correct Answer:
B: 60
If Farhan were to add 5 gallons of kerosene to a tank that is already 34 full of kerosine , the tank would be 78 full . How many gallons of kerosine would the tank hold if it wre full .
Correct Answer:
B: 40 gallons
Explanation:
If Farhan were to add 5 gallons of kerosene to a tank that is already 34 full of kerosine , the tank would be 78 full . How many gallons of kerosine would the tank hold if it wre full . Correct Answer 40 gallons According to the Question, 7/8x - 3/4x = 5galls1/8*x = 5gallonsx = 40 gallons ans: 40 gallons
what will be the compound interest on TK. 6,000 for 1 12 year at 10 % per annum if the interest is paid half yearly ?
Correct Answer:
D: TK. 945 . 75
(321+322+323+324) is divisible by __
Correct Answer:
C: 12
what could be the size of a team that includes kim?
Correct Answer:
D: only 4
In how many ways a team can be constituted so that the team includes Nadir?
Correct Answer:
C: 2
In a container , there are 2 green marbles and 2 red marbles . You randomly pick the marbles. What is the probability that both of the are green?
Correct Answer:
D: 1/6
Explanation:
In a container , there are 2 green marbles and 2 red marbles . You randomly pick the marbles. What is the probability that both of the are green? Correct Answer 1/6 green ball = 2 Red ball = 2 From 4 balls, possibility of 2 green = 4C2 = 6 From 2 balls, possibility of 1 green = 2C2 = 1. From rest 2 balls, possibility of being green = 2C2 = 1 Possibility of 2 green = (2C2 x 2C2)/4C2 = (1×1)/6 = 1/6 Ans: 1/6
What is the difference between the salesperson of company A and B in 2015?
Correct Answer:
A: 5
Explanation:
What is the difference between the salesperson of company A and B in 2015? Correct Answer 5 NO correct answer is given. Correct answer is 20 - 15 = 5.
What is the percentage change in the profit per salesperson in 2015 over 2014 in case of company B?
Correct Answer:
D: None of these
Explanation:
What is the percentage change in the profit per salesperson in 2015 over 2014 in case of company B? Correct Answer None of these For company B:2014 Profit/salesperson = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>25</mn><mn>10</mn></mfrac><mo> = </mo><mn>2</mn><mo>.</mo><mn>5</mn></math>2015 " " = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mn>50</mn><mn>20</mn></mfrac><mo> = </mo><mn>2</mn><mo>.</mo><mn>5</mn></math>So no change.
A boat sailing against a stream of of river takes 6 hours to travel 24 kms, while sailing with the stream it takes 4 hours to travels the same distance. What is the speed of the stream ?
Correct Answer:
C: 1 km / hr
Explanation:
A boat sailing against a stream of of river takes 6 hours to travel 24 kms, while sailing with the stream it takes 4 hours to travels the same distance. What is the speed of the stream ? Correct Answer 1 km / hr Let, Speed of stream = y & Speed of boat = x ATQ, x - y = 24/6 = 4— (i) x + y = 24/4 = 6 ——– (ii). From, (ii) – (i), x + y - x + y = 6 - 4 Or, 2y = 2 Or, y = 1 ∴ Speed of stream = 1 km/hr (ans)
who can be a member of a team of size 5?
Correct Answer:
D: Marry
A milkman purchases the milk at Tk. x per liter and sells it at Tk. 2x per liter still he mixes 2 liters water with every 6 liters of pure milk. what is the profit percentage?
Correct Answer:
B: 166/66%
Explanation:
A milkman purchases the milk at Tk. x per liter and sells it at Tk. 2x per liter still he mixes 2 liters water with every 6 liters of pure milk. what is the profit percentage? Correct Answer 166/66% Let, He purchases 6liters milk. So, cost of 6 liters = 6x tk. After mixing 2 liters waters, he sells , (6 + 2) = 8 liters Now, selling price of 8 liters = 8 × 2x = 16x tk. Profit = 16x – 6x = 10x tk. Profit percentage = (10x/6x) × 100 = 166.66% (Ans)
who cannot be a member of a team of size 3?
Correct Answer:
B: Liza
Explanation:
who cannot be a member of a team of size 3? Correct Answer Liza Its - এর পরের word গুলোর parallelism প্রয়োজন। Delivery এবং evaluation গুলোকে অনুসরণ করে develop - কে noun - এ রূপান্তর করলে বাক্যটি সঠিক হবে। Develop - এর noun form হলো development।
A man could buy a certain number of notebooks for Tk. 300. If each notebook cost is Tk. 5 more, he could have bought 10 notebook less for the same amount .Find the price of each notebook ?
Correct Answer:
C: 10
Explanation:
A man could buy a certain number of notebooks for Tk. 300. If each notebook cost is Tk. 5 more, he could have bought 10 notebook less for the same amount .Find the price of each notebook ? Correct Answer 10 Let, Cost of 1 Note book = x tk. ATQ, 300/x = {300/(x + 5)} + 10 Or, (300/x) – 300/(x + 5) = 10 Or, (300x + 1500 - 300x)/{x(x + 5)} = 10 Or, x(x + 5)10 = 1500 Or, x2 + 5x - 150 = 0 Or, (x + 15)(x - 10) = 0 Or, x≠ - 15, x = 10 ans: 10 tk
If you add up the digits of a three -digit number you get 18 . The ten's digit is twice the hundred's digit and the hundred's digit is 13 the unit's digit. What is the number?
Correct Answer:
B: 369
Two -fifth of one -fourth of three seventh of a number is 15. what is the half of the number ?
Correct Answer:
C: 175
Explanation:
Two -fifth of one -fourth of three seventh of a number is 15. what is the half of the number ? Correct Answer 175 Let, The number = x ATQ, 2/5 × ¼ × 3/7 × x = 15 Or, 16x/ 140 = 15 Or, x = 350 so, ½ of 350 = 175 ans: 175
4 men and 6 women can complete a work in 8 days while 3 men and 7 women can complete it in 10 days . In how many will 10 women complete it?
Correct Answer:
A: 40 days
Explanation:
4 men and 6 women can complete a work in 8 days while 3 men and 7 women can complete it in 10 days . In how many will 10 women complete it? Correct Answer 40 days 4 men + 6 women = 8 days 4 men + 6 women in 1 day = 1/8 of the work So to finish the work in 1 day require = 32 men + 48 women 3 men + 7 women = 10 days 3 men + 7 women in 1 day do 1/10 of the work So to finish the work in 1 day require 30 men + 70 women 32 men + 48 women = 30 men + 70 women 2 men = 22 women or, 1 man = 11 women so, 4 men + 6 women = 50 women = 8 days 10 women = 50/10 x 8 = 40 days ans: 40 days
which of the following is a pair of towns connected by two routes by road that have no stretch of road in common ?
Correct Answer:
A: T and U
Explanation:
which of the following is a pair of towns connected by two routes by road that have no stretch of road in common ? Correct Answer T and U Advice uncountable noun যার plural form নেই। সুতরাং advices ব্যবহার ভুল। Advices - এর স্থলে some pieces of advice হলে বাক্যটি সঠিক হত।
People use Sedan car and Micro bus for only personal usage . Of all the automobiles sold during that period what percent will be used solely for personal usage?
Correct Answer:
C: 75.52%
what is the difference between the percentage sales of Bus and Truch in Dhaka region ?
Correct Answer:
C: 0.50%
If a projected roads from T to Y is built , then the shortest distance by road from W to X will be the same as the shortest distance by road from Z to __
Correct Answer:
C: V
Explanation:
If a projected roads from T to Y is built , then the shortest distance by road from W to X will be the same as the shortest distance by road from Z to __ Correct Answer V Furniture শব্দটি non - count noun কিন্তু - এর পূর্বে each countable determiner যুক্ত রয়েছে। সুতরাং furniture - এর স্থলে piece of furniture হলে বাক্যটি সঠিক হবে।
Length of a train is 170 meters and speed of train is 63 km / hr . This train can pass a bridge in 30 seconds , then find the length of the bridge.
Correct Answer:
A: 355 m
Explanation:
Length of a train is 170 meters and speed of train is 63 km / hr . This train can pass a bridge in 30 seconds , then find the length of the bridge. Correct Answer 355 m Let, Length of bridge = x m ATQ, 63000/(60×80) = (170x + x)/30 Or, x + 170 = 105 × 5 Or, x = 525 - 170 Or, x = 355 so, Length of bridge 355 m ans: 355 m
what would be the size of the largest possible team ?
Correct Answer:
B: 6
what should be added with 15480 to make it exactly divisible by 14?
Correct Answer:
C: 4
If two projected roads were built , one from T directly to y, and one from l V directly to Z , then each of the following would be a complete list of the towns lying along one of the routes that a traveler going by road from U to X could select except.
Correct Answer:
A: T, Z
Explanation:
If two projected roads were built , one from T directly to y, and one from l V directly to Z , then each of the following would be a complete list of the towns lying along one of the routes that a traveler going by road from U to X could select except. Correct Answer T, Z বাক্যটি কোনো conjunction দ্বারা যুক্ত নেই। সুতরাং বাক্যটির subject হলো the desert pocket mouse। বাক্যটিতে it ব্যবহার অতিরিক্ত হয়েছে। It না থাকলে বাক্যটি সঠিক হতো।
A cylindrical rod of iron, whose height is equal to its radius ,is melted and cast into spherical balls whose radius is half the radius of the rod. find the number of balls.
Correct Answer:
D: 6
Explanation:
A cylindrical rod of iron, whose height is equal to its radius ,is melted and cast into spherical balls whose radius is half the radius of the rod. find the number of balls. Correct Answer 6 Volume of cylinder = πr2h [Here h = r] = πr2×r = πr3 Volume of sphere = 4/3 πr3 [Here r = r/2) = (4/3) π× (r/2)3 = (πr3)/6 Number of balls = πr3/( πr3/6) = 6 ans: 6
What is the growth rate in sales of company B in 2015 over 2014?
Correct Answer:
B: 200%
Explanation:
What is the growth rate in sales of company B in 2015 over 2014? Correct Answer 200% For company B: growth rate in sales = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>600</mn><mo> - </mo><mn>200</mn></mrow><mn>200</mn></mfrac><mo>&#xD7;</mo><mn>100</mn><mo>%</mo></math><math xmlns = "http://www.w3.org/1998/Math/MathML"><mo> = </mo><mfrac><mn>400</mn><mn>200</mn></mfrac><mo>&#xD7;</mo><mn>100</mn><mo>%</mo></math><math xmlns = "http://www.w3.org/1998/Math/MathML"><mo> = </mo><mn>200</mn><mo>%</mo></math>
What is the difference between the growth rate of salesperson in 2015 over 2014 of the company?
Correct Answer:
B: 50%
Explanation:
What is the difference between the growth rate of salesperson in 2015 over 2014 of the company? Correct Answer 50% For A: growth rate of salesperson = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>15</mn><mo> - </mo><mn>10</mn></mrow><mn>10</mn></mfrac><mo>&#xD7;</mo><mn>100</mn><mo>%</mo></math><math xmlns = "http://www.w3.org/1998/Math/MathML"><mo> = </mo><mfrac><mn>5</mn><mn>100</mn></mfrac><mo>&#xD7;</mo><mn>100</mn><mo>%</mo></math><math xmlns = "http://www.w3.org/1998/Math/MathML"><mo> = </mo><mn>50</mn><mo>%</mo></math>For B : growth rate of salesperson = <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>20</mn><mo> - </mo><mn>10</mn></mrow><mn>10</mn></mfrac><mo>&#xD7;</mo><mn>100</mn><mo>%</mo></math> = 100%<math xmlns = "http://www.w3.org/1998/Math/MathML"><mo>&#x2234;</mo></math> Their difference = (100 - 50)% = 50%
If y=5x2-2x and x=3, then y=?
Correct Answer:
C: 39
It is possible that the distance by road from X to Y is unequal to the distance by road from __
Correct Answer:
C: X to Z
Explanation:
It is possible that the distance by road from X to Y is unequal to the distance by road from __ Correct Answer X to Z Inflate শব্দের অর্থ ফোলানো; স্ফীত করা। এর বিপরীত শব্দ minimize, যার অর্থ ন্যূনতম পরিমাণ বা মাত্রায় পর্যবসিত করা। অন্যদিকে converge অর্থ একই বিন্দু অভিমুখী হওয়া; circulate অর্থ ছড়িয়ে দেয়া এবং separate অর্থ পৃথক করা; আলাদা করা।
of the following which is the best approximation to 0.0026?
Correct Answer:
A: 0.05
A water tank has two taps (Tap1 -Tap2) . Tap -1 can fill a tank in 8 hours and Tap- 2 can empty the tank in 16 hours. How long will they take to fill the tank if both taps are opened simultaneously but tap-2 is closed after 8 hours?
Correct Answer:
B: 12
Explanation:
A water tank has two taps (Tap1 -Tap2) . Tap -1 can fill a tank in 8 hours and Tap- 2 can empty the tank in 16 hours. How long will they take to fill the tank if both taps are opened simultaneously but tap-2 is closed after 8 hours? Correct Answer 12 Tap - 1, fills in 1 hr = 1/8 Tap - 2, empties in 1 hr = 1/16 When both taps are open, the tank fills in 1 hr = (1/8 – 1/16) = 1/16 In 8 hrs, the tank fills = 1/16 ×৪ = ½ Remaining = 1 – ½ = ½ ½ is filled by only Tap 1 1/8 is filled by Tap - 1 in 1 hr So, ½ is filled by = (1×8)/2 = 4 hr Total time = 8 + 4 = 12 hr (ans)
If 6-4x⩽14 than
Correct Answer:
C: x⩽-2
If a =27,b=13, x=18, the value of y=a-3b+16x is
Correct Answer:
B: 97
If a, b, and c are consecutive integers and aabc3 is an integer III. (b-c)=1
Correct Answer:
B: II only
which of the following is a town from which exactly two other towns can be reached by roads?
Correct Answer:
D: X
Explanation:
which of the following is a town from which exactly two other towns can be reached by roads? Correct Answer X Prologue (কাব্যের প্রস্তাবনামূলক অংশ; নাটকের শুরুতে পঠিত কবিতা) এর বিপরীত শব্দ epilogue (সাহিত্যকর্মের সমাপ্তি অংশ; নাটক শেষে দর্শকের উদ্দেশ্যে অভিনেতার বিশেষ সংলাপ)। অন্যদিকে trilogy শব্দের অর্থ একের পর এক মঞ্চস্থ বা পাঠ করার জন্য লিখিত তিনটি নাটক; analogue শব্দের অর্থ অবিচ্ছিন্ন মান নিয়ে গঠিত সিষ্টেম আর dailouge শব্দের অর্থ সংলাপ; কথোপকথন।
If the members of the Public service Commission are V ,W and Z , and If the Rent control Commission is to have as many members in common with the Public Service Commission as the rules allow , the Rent Control Commission must consist of __
Correct Answer:
D: V , W and Z
Explanation:
If the members of the Public service Commission are V ,W and Z , and If the Rent control Commission is to have as many members in common with the Public Service Commission as the rules allow , the Rent Control Commission must consist of __ Correct Answer V , W and Z Insulin (হরমোন) নিঃসৃত হয় pancreas (অগ্ন্যাশয়) থেকে। আর bile (পাচকরস) নিঃসৃত হয় liver (যকৃত) থেকে।
If N is to be served on Thursday, the earliest day on which R can be served is
Correct Answer:
C: Wednesday
Of the following which is greater?
Correct Answer:
C: 49100
If 14 of the trust fund us invested in the stock of BOC, 14 is invested in Beximco debenture ,15 in ICB muturak Fund and the rest TK. 100,000 in defence Bond, What was the size of the fund?
Correct Answer:
C: 20,00,000
If U and X are each selected for a commission , and only z is selected for both commissions , which of the following must be true?
Correct Answer:
B: U is selected for a different commission then Y
Explanation:
If U and X are each selected for a commission , and only z is selected for both commissions , which of the following must be true? Correct Answer U is selected for a different commission then Y Articulate শব্দের অর্থ হলো to speak clearly (স্পষ্টভাবে কথা বলা)। আর shout শব্দের অর্থ to speak loudly (উচ্চস্বরে কথা বলা)।
If S is to be served on Friday, M must be served on __
Correct Answer:
A: Monday
If X , and Z are both selected for the Public service Commission , and If U is selected for the Rent Control Commission , each of the following pairs of people could be the other two members of the Rent Control Commission except.
Correct Answer:
A: V and W
Explanation:
If X , and Z are both selected for the Public service Commission , and If U is selected for the Rent Control Commission , each of the following pairs of people could be the other two members of the Rent Control Commission except. Correct Answer V and W Talon (শিকারি পাখির বাঁকানো নখ) দ্বারা eagle শিকার করে, ঠিক তেমনি claw (নখযুক্ত থাবা) দ্বারা panther (চিতাবাঘ) শিকার করে।
If Q is to be served on Thursday, the latest day on which M can e served is
Correct Answer:
A: Monday
If the two commissions have parallel terms of office, which of the following could be selected as the members of the Public service commission and the members of the Rent Control Commission , respectively , for one such term of office?
Correct Answer:
A: W, X and Y, X,Y and Z
Explanation:
If the two commissions have parallel terms of office, which of the following could be selected as the members of the Public service commission and the members of the Rent Control Commission , respectively , for one such term of office? Correct Answer W, X and Y, X,Y and Z Castle (দুরগ) - এর প্রবেশের জন্য drawbridge (দালানে সংযোগকারী ব্রিজ) পার হতে হয়, ঠিক তেমনি ship (জাহাজ) - এ প্রবেশের জন্য gangway (জাহাজের পার্শ্বদার) পার হতে হয়।
If U, V, and W make up the Public Service Commission , and W, Y, and Z make up the Rent Conrol Commission , which of these commission members could yield his / her place on a commission to X without necessitating any other membership change?
Correct Answer:
C: Z
Explanation:
If U, V, and W make up the Public Service Commission , and W, Y, and Z make up the Rent Conrol Commission , which of these commission members could yield his / her place on a commission to X without necessitating any other membership change? Correct Answer Z অতিরিক্ত thrift (মিতব্যায়িতা) বৈশিষ্ট্য বিদ্যমান ব্যাক্তিকে বলে miser (কৃপণ)। আর অতিরিক্ত patriotism (স্বদেশপ্রেম) বিদ্যমান ব্যাক্তিকে বলে chauvinist (অন্ধ স্বদেশপ্রেমী ব্যাক্তি)।
Which of the following can be served on Monday?
Correct Answer:
D: S
Is (m×p) greater than m? (i) m>p>0 (ii) p is less than
Correct Answer:
A: Statement (1) ALONE is sufficient , but statement 92) alone is not sufficient .
Explanation:
Is (m×p) greater than m? (i) m>p>0 (ii) p is less than Correct Answer Statement (1) ALONE is sufficient , but statement 92) alone is not sufficient . বাক্যটি passive voice এ হবে। কেননা construction augers (নির্মাণ কাজে মাটিতে গর্ত করার যন্ত্রবিশেষ) নির্মাণ শমিকেরা মাটি গর্ত করার জন্য ব্যবহার করে আর বাক্যে কর্তা অনুপস্থিত। সুতরাং শূন্যস্থানে are used to ব্যবহৃত হবে কেননা drill শব্দটি verb হিসেবে ব্যবহৃত হয়েছে।
Rahim borrowed Tk. 800 at 6% per annum and karim borrowed tk. 600 at 10% per annum .After how much time, will they both have equal debts?
Correct Answer:
A: 50/3 yr
Explanation:
Rahim borrowed Tk. 800 at 6% per annum and karim borrowed tk. 600 at 10% per annum .After how much time, will they both have equal debts? Correct Answer 50/3 yr Let, After x years their debts will be equal. ATQ, {800 × (6 × x)/ 100} + 800 = {600 × (10 × x)/ 100} + 600 ⇒ 48x + 800 = 60x + 600 ⇒ 60x – 48x = 800 – 600 ⇒12x = 200 ⇒ x = 50/3 ans: 50/3 yr
If x/y=5/z, then 25y2 equals
Correct Answer:
C: x2z2
Explanation:
If x/y=5/z, then 25y2 equals Correct Answer x2z2 শূন্যস্থানের পর object থাকাতে have verb - এর পর verb - এর past participle form বসবে। সুতরাং সঠিক উত্তর brought।