Mathematics Mcqs for PPSC, FFPS, NTS

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

A. 150
B. 140
C. 130
D. 110

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

A. 150
B. 140
C. 130
D. 160

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

A. 300
B. 200
C. 400
D. 500

25% of 30% of 45% is equal to__________?

A. 0.03375
B. 0.3375
C. 3.375
D. 33.75

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?

A. 20
B. 25
C. 125
D. 60
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

A. 1
B. 2
C. 3
D. 4

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?

A. 9
B. 11
C. 23
D. 13

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.

A. 4 days
B. 6 days
C. 2 days
D. 8 days

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

A. 10 min
B. 20 min
C. 30 min
D. 40 min

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

A. 5 min
B. 10 min
C. 15 min
D. 20 min

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