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MCQ Math Solution

Exam Date: 19-03-2021
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17. What is the minimum number of chocolates that must be added to the existing batch of 260 chocolates, so that the total batch can equally be divided among 3, 4 or 6 persons?
(A) 4 (B) 8 (C) 12 (D) 16 (E) None of these

18. In library system with 6 branches, 60 workers are employed. If no library has fewer than 7 workers and no more than 11, what is the minimum number of workers in any two of the branches?

19. Two pipes A and B would fill a tank in 20 and 30 minutes respectively. Both pipes being open, find when A must be turned off so that the tank may be just filled in 15 minutes.


20. The number of workers who worked from 40 to 44 hours is x times the number who worked up to 34 hours, where x is?
21. What is the ratio of 8 inches to 6 feet?
22. What is the greatest number of boys among whom 100 pens and 165 ice-creams can be divided equally so that no item remain left?
23. A number is as much greater than 31 as less than 55. Which of the following is the number?

24. For all numbers x and y, x#y= xy+x, what is the value of 5#4?

25. Which of the following numbers is divisible by 11?
(a) 30, 217 (b) 44,221 (c) 59,403 (d) 60,411

26. What is the average of the following numbers 35.5, 32.5, 34.0, 35.5 and 34.5?

27. In an election between two candidates, the candidate who gets 30% of the votes polled is defeated by 15,000 votes. What is the number of votes polled for the winning candidate?

28. Madric puts Tk. 100 in the bank for two years at 10% interest compounded annually. At the end of the two years what will be his balance?

29. 16 men can complete a work in 6 days. How many men are needed to complete the work in 8 days?

30. Rahim can hammer 20 nails in 6 minutes. Charlie can do the same job in only 5 minutes. How long will it take them to finish if Rahim hammers the first 5 nails, then Charlie hammers for 3 minutes, then Rahim finishes the job?

31. A fruit seller buys lemons at a rate of 2 lemons for a taka & sells them at a rate of 5 lemons for 3 taka. What is her profit margin (based on cost price)?

32. A man rowed 3 miles upstream in 90 minutes. If the river flowed with a current of 2 miles per hour, how long did the man’s return trip take?

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