basic maths Mcqs
1. P and Q can complete a work in 15 days and 10 days respectively. They started the work together and then Q left after 2 days. P alone completed the remaining work. The work was finished in__________days.
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A. 22

B. 12

C. 20

D. 15

2. P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third day?
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A. 14 days

B. 15 days

C. 9 days

D. 10 days

3. A leak in the bottom of a tank can empty the full tank in 6 hrs. An inlet pipe fills water at the rate of 4 lit. a minute. When the tank is full, the inlet is opened and due to the leak, the tank is empty in 8 hrs. The capacity of the tank in liters is_________?
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A. 6,890 litres

B. 5,760 litres

C. 5,750 litres

D. None of these

4. A, B and C together earn Rs.150 per day while A and C together earn Rs.94 and B and C together earn Rs.76. The daily earning of C is:__________?
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A. 25 Rs.

B. 10 Rs,

C. 20 Rs.

D. 15 Rs,

5. 10 men can complete a work in 7 days. But 10 women need 14 days to complete the same work. How many days will 5 men and 10 women need to complete the work?
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A. 4

B. 7

C. 6

D. 5

6. 12 buckets of water fill a tank when the capacity of each bucket is 13.5 litres. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 litres?
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A. 18

B. 15

C. 14

D. 16

7. A tap can fill a tank in 32 min. and another can empty it in 16 min. If the tank is already half full and both the tanks are opened together, the tank will be_________?
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A. 14 min

B. 12 min

C. 16 min

D. 20 min

8. wo pipes X and Y fill a tank in 15 hrs. and 20 hrs. respectively, while a third pipe Z can empty the full tank in 25 hrs. All the three pipes are opened in the beginning. After 10 hrs. Z is closed. In how much time, will the tank be full ?
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A. 12 hrs

B. 18 hrs

C. 14 hrs

D. 16 hrs

9. If 6 men can make 10 sofas in 2 days, then 8 men can make 8 sofas in__________?
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A. 1.2 days

B. 1 day

C. 1.8 days

D. 1.5 days

10. After decreasing 24% in the price of an article costs Rs.912. Find the actual cost of an article?
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A. 1300

B. 1400

C. 1100

D. 1200
11. A can do (1/3) of a work in 5 days and B can do (2/5) of the work in 10 days. In how many days both A and B together can do the work ?
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A. None of these

B. 48/5 days

C. 44/6 days

D. 75/8 days
12. How much 60% of 50 is greater than 40% of 30?
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A. 18

B. 20

C. 15

D. 13

13. P and Q can complete a work in 20 days and 12 days respectively. P alone started the work and Q joined him after 4 days till the completion of the work. How long did the work last?
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A. 15 days

B. 12 days

C. 10 days

D. 5 days

14. 85% of a number is added to 24, the result is the same number. Find the number?
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A. 160

B. 150

C. 140

D. 130

15. If 28 men can finish a work in 15 days, 21 men can finish the same work in___________?
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A. 15 days

B. 20 days

C. 14 days

D. 24 days

16. Two pipes P and Q can fill a cistern in 12 min. and 15 min. respectively but a third pipe R can empty the full tank in 6 min. P and Q are kept open for 5 min. in the beginning and then R is also opened. In what time is the cistern emptied ?
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A. 40 min

B. 35 min

C. 45 min

D. 30 min

17. If daily wages of a man is double to that of a woman, how many men should work for 25 days to earn Rs.14400? Given that wages for 40 women for 30 days are Rs.21600.
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A. 16

B. 15

C. 14

D. 13

18. Machine P can print one lakh books in 8 hours. Machine Q can print the same number of books in 10 hours while machine R can print the same in 12 hours. All the machines started printing at 9 A.M. Machine P is stopped at 11 A.M. and the remaining two machines complete work. Approximately at what time will the printing of one lakh books be completed?
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A. 3:00 PM

B. 2:00 PM

C. 11:00 AM

D. 1:00 pm
19. P can lay railway track between two stations in 16 days. Q can do the same job in 12 days. With the help of R, they completes the job in 4 days. How much days does it take for R alone to complete the work?
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A. 9(2/5) days

B. 9(1/5) days

C. 10 days

D. 9(3/5) days
20. If 12 men work 8 hours a day to complete a work in 10 days, how many men working 12 hours a day can complete the work in 5 days?
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A. 8

B. 12

C. 4

D. 16
21. Today is khadijas birthday. After one year, she will become two times as she was ten years ago. current age of Khadija?
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A. 19

B. 21

C. 20

D. 22

22. Two taps X and Y can fill a tank in 10 hrs. and 15 hrs.respectively. If the both taps are opened together, the tank will be full in_________?
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A. 6 hrs.

B. 5 hrs.

C. 4 hrs,

D. 3 hrs.

23. A leak in the lower portion of a tank can empty the full tank in 9 hrs. An inlet pipe fills water at the rtae of 10 lit. a minute. When the tank is full, the inlet is opened and due to leak, the tank is empty in 16 hrs. How many litres does the cistern hold ?
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A. 12,342 litres.

B. 12,566 litres.

C. None of thes

D. 12,444 litres

24. P can do a work in the same time in which Q and R together can do it. If P and Q work together, the work can be completed in 10 days. R alone needs 50 days to complete the same work. then Q alone can do it in__________?
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A. 20 days

B. 15 days

C. 25 days

D. 30 days

25. A can lay a railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in_________?
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A. 4

B. 9

C. 10

D. 9.6
26. If 6 men take 9 days to complete a work, how many men can complete the work in 3 days?
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A. 12 men

B. 18 men

C. 2 men

D. 9 men

27. 1 acre is equal to ________square foot?
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A. 43560 square foot

B. 34343 square foot

C. 45434 square foot

D. 43572 square foot

28. 60% of a number is added to 120, the result is the same number. Find the number?
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A. 200

B. 500

C. 400

D. 300
29. What is the Sum of First 70 Odd Numbers?
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A. 4970

B. 4960

C. 4900

D. None of these

30. Jameel can complete a task in 15 hours and Nasir can complete the same task in 12 hours. Jameel starts the task at 9:00 am and stops working at 2:00pm. Nasir starts working on the task at 4:00 pm. At what time is the task completed?
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A. 12:00 am

B. 10:00 PM

C. 2:00 AM

D. 12:00 PM

31. 40% of a number is more than 20% of 650 by 190. Find the number?
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A. 900

B. 800

C. 700

D. 600

32. Find two number whose sum is 28 and the difference is 4 _____________?
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A. 15,13

B. 18,10

C. 14,12

D. 12,16
33. Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?
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A. 1080

B. 2700

C. 1800

D. 450

34. If 3 men or 4 women can construct a wall in 43 days, then the number of days that 7 men and 5 women take to construct it is :
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A. 18 days

B. 16 days

C. 12 days

D. 14 days

35. What percent of 120 are 90?
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A. 33%

B. 50%

C. 25%

D. 75%
36. If 10 workers can make 10 tables in 10 days, then how many days would it take for 5 workers to make 5 tables?
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A. 5

B. 25

C. 1

D. 10
37. P,Q and R together earn Rs.1620 in 9 days. P and R can earn Rs.600 in 5 days. Q and R in 7 days can earn Rs.910. How much amount does R can earn per day?
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A. Rs.100

B. Rs.90

C. Rs.70

D. Rs.40

38. P can do a work in 24 days. Q can do the same work in 9 days and R can do the same in 12 days. Q and R start the work and leave after 3 days. P finishes the remaining work in_________days.
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A. 9

B. 12

C. 11

D. 10
39. If y exceeds x by 20%, then x is less than y by_______?
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A. 16.60%

B. 16%

C. 16.33%

D. 16 2/3 %
40. A and B can together do a piece of work in 15 days. B alone can do it in 20 days. In how many days can A alone do it ?
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A. 50 days

B. 70 days

C. 60 days

D. 40 days

41. A completes 80% of a work in 20 days. Then B also joins and A and B together finish the remaining work in 3 days. How long does it need for B if he alone completes the work?
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A. 22 days

B. 22 days

C. 31 days

D. 37 days
42. 8 men can dig a pit in 20 days. If a man works half as much again as a boy, then 4 men and 9 boys can dig a similar pit in:__________?
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A. 20 days

B. 16 days

C. 18 days

D. 12 days

43. Kamal will complete work in 20 days. If Suresh is 25% more efficient than Kamal, he can complete the work in________days.
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A. 16

B. 15

C. 14

D. 11

44. A is thrice as good a work man as B and takes 10 days less to do a piece of work than B takes. B can do the work in:___________?
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A. 14 days

B. 15 days

C. 30 days

D. 16 days

45. 3 men and 7 women can complete a work in 10 days . But 4 men and 6 women need 8 days to complete the same work . In how many days will 10 women complete the same work?
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A. 40

B. 30

C. 50

D. 13

46. 40 is subtracted from 60% of a number, the result is 50. Find the number?
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A. 130

B. 110

C. 140

D. 150
47. Efficiency of Rashid and Danish are in the ratio 5:8. If Danish takes 51 days less than Rashid to complete the work, find the time taken by Rashid to complete the work.
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A. 118 days

B. 136 days

C. 85 days

D. 126 days

48. P takes twice as much time as Q or thrice as much time as R to finish a piece of work. They can finish the work in 2 days if work together. How much time will Q take to do the work alone?
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A. unt of work Q does in 1 day = 2/x

B. P takes x days to complete the work

C. unt of work P does in 1 day = 1/x

D. 6

E. t; Q takes 12/2 days = 6 days to complete the work

F. = 2

49. What is the Arithmetic Mean of the following data3,6,9,12,15.
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A. 12

B. 8

C. 7

D. 9
50. What is the Sum of First 70 even Numbers?
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A. 4900

B. 4980

C. 4950

D. 4970