Maths Mcqs Practice Test

Question 1

P, Q and R can complete a work in 24, 6 and 12 days respectively. The work will be completed in________days if all of them are working together.

Accepted Answer

B.\xa03 3⁄7

Question 2

Two pipes P and Q can fill a cistern in 12 minutes and 16 minutes respectively. \xa0Simultaneously both the pipes are opened together, then after how much time Q should be closed so that the tank is full in 9 min ?

Accepted Answer

C.\xa04 min

Question 3

A can do a certain job in 12 days. B is 60% more efficient than A. The number of days it takes for B to do the same piece of work, is:_________?

Accepted Answer

B.\xa015/2 days

Question 4

A can do piece of work in 30 days while B can do it in 40 days. In how many days can A and B working together do it ?

Accepted Answer

B.\xa0120/7 days

Question 5

A and B can do a piece of work in 21 and 24 days respectively.They start the work together and after some days, A leaves and B completes the rest of the task in 9 days. After how many days did A leave?

Accepted Answer

C.\xa07

Question 6

A,B,C, can do a work in 8,14,16 days respectively. A does the work for the first 2 days. B continues from it and finishes 2/3rd of the remaining work. C finishes the remaining work. How many days would have taken to complete the work?

Accepted Answer

A.\xa013

Question 7

If 6 men working together can complete 50 identical tasks in 4 hours then how many such identical tasks can be completed if 10 men are working together for 6 hours?

Accepted Answer

C.\xa0125

Question 8

P works twice as fast as Q. If Q alone can complete a work in 12 days, P and Q can finish the work in________days

Accepted Answer

D.\xa04

Question 9

P is 30% more efficient than Q. P can complete a work in 23 days. If P and Q work together, how much time will it take to complete the same work?

Accepted Answer

D.\xa013

Question 10

6 men and 8 women can complete a work in 10 days. 26 men and 48 women can finish the same work in 2 days. 15 men and 20 women can do the same work in_______days.

Accepted Answer

A.\xa04 days

Question 11

A cistern has two taps which fill it in 12 min. and 15 min.respectively \xa0 There is one outlet pipe in the cistern. \xa0When all the taps & pipe are opened, the empty cistern is full in 20 min. \xa0How long will the waste pipe (outlet) take to empty the full cistern ?

Accepted Answer

A.\xa010 min

Question 12

To fill a cistern, pipes P, Q & R take 20, 15 & 12 minutes respectively. \xa0The time in minutes that the three pipes together will take to fill the cistern is:__________?

Accepted Answer

A.\xa05 min

Question 13

A alone can finish a work in 10 days and B alone can do it in 15 days. If they work together and finish, then out of a total wages of Rs.75. A will get:___________?

Accepted Answer

C.\xa045 Rs.

Question 14

2 men and 12 women can finish a job in 4 days. 4 men and 6 women can do the same job in 5 days. Find the time taken by 1 man and 1 woman to complete the job.

Accepted Answer

C.\xa024 days

Question 15

Bilal can do a work in 15 days and Jalal in 12 days. If they work on it together for 4 days, the fraction of work that is left is________?

Accepted Answer

C.\xa02/5

Question 16

A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In how many days will A alone finish the job?

Accepted Answer

A.\xa048

Question 17

If X and Y complete a certain work in 10 days, Y and Z in 16 days and X and Z in 22 days, find the time required for each one to complete the work while working separately.

Accepted Answer

A.\xa0120, 40, 60 days

Question 18

P and Q can do a work in 30 days. Q and R can do the same work in 24 days and R and P in 20 days. They started the work together, but Q and R left after 10 days. How many days more will P take to finish the work?

Accepted Answer

C.\xa018

Question 19

A can complete a work in 12 days with a working of 8 hours per day. B can complete the same work in 8 days when working 10 hours a day. If A and B work together, working 8 hours a day, the work can be completed in_______days.

Accepted Answer

A.\xa05 5⁄11

Question 20

A can do a particular work in 6 days . B can do the same work in 8 days. A and B signed to do it for Rs. 3200. They completed the work in 3 days with the help of C. How much is to be paid to C?

Accepted Answer

D.\xa0Rs. 400