Mathematics Mcqs for PPSC, FFPS, NTS

A dealer marks his goods 20% above cost price. He then allows some discount on it and makes a profit of 8%. The rate of discount is:

A. 12%
B. 10%
C. 6%
D. 4%

A cloth merchant has announced 25% rebate in prices. If one needs to have a rebate of Rs. 40. Then how many shirts each costing Rs.32 he should purchase?

A. 6
B. 5
C. 10
D. 7

The difference between a discount of 40% on Rs. 500 and two successive discount of 36% and 4% on the same amount is:________?

A. 0
B. Rs. 2
C. Rs. 1.93
D. Rs. 7.20

Tarun bought a T.V with 20% discount on the labelled price. Had he bought it with 25% discount? He would have saved Rs. 500. At what price did he buy the T.V?

A. Rs. 5000
B. Rs. 10000
C. Rs. 12000
D. Rs. 16000

A man purchases an electric heater whose printed price is 160 if he received two successive discounts of 20% and 10% he paid:

A. Rs. 112
B. Rs. 129.60
C. Rs. 119.60
D. Rs. 115.20

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?

A. 37 ½ days
B. 22 days
C. 31 days
D. 22 days

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?

A. 14
B. 15
C. 16
D. 18

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 ?

A. 12,342 litres.
B. 12,444 litres
C. 12,566 litres.
D. None of thes

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 ?

A. 75/8 days
B. 44/6 days
C. 48/5 days
D. None of these

The radius of the cylinder is half its height and area of the inner part is 616 sq. cms. Approximately how many litres of milk can it contain ?

A. 1.4
B. 1.5
C. 1.7
D. 1.9