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Mathematics Mcqs for PPSC, FFPS, NTS

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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__________?

A. 30 days
B. 25 days
C. 20 days
D. 15 days

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_________?

A. 5,750 litres
B. 5,760 litres
C. 6,890 litres
D. None of these

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_________?

A. 12 min
B. 14 min
C. 16 min
D. 20 min

A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. A alone can do the work in__________?

A. 20 days
B. 30 days
C. 40 days
D. none of these

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?

A. 16
B. 4
C. 12
D. 8

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.

A. 15
B. 14
C. 16
D. 13

Mansoor-Ul-Haque and Aaqib are working on a special assignment. Mansoor-Ul-Haque needs 6 hours to type 32 pages on a computer and Aaqib needs 5 hours to type 40 pages. If both of them work together on two different computers, how much time is needed to type an assignment of 110 pages?

A. 7 hour 15 minutes
B. 7 hour 30 minutes
C. 8 hour 15 minutes
D. 8 hour 30 minutes

The volumes of two cubes are in the ratio 27: 125, what shall be the ratio of their surface areas?

A. 6:25
B. 3:5
C. 9:25
D. 16:25

What is the length of the longest pole which can be kept in a room 12 m long, 4 m broad and 3 m high?

A. 10 cm
B. 12 cm
C. 15 cm
D. 13 cm

Find the length of the wire required to go 15 times round a square field containing 69696 m2.

A. 15840 m
B. 16840 m
C. 15820 m
D. 15640 m

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