exam
Maths Puzzle
A pump can be used either to fill or to empty a tank. The capacity of the tank is 3600m3. The emptying capacity of the pump is 10m3/min higher than its filling capacity. What is the emptying capacity of the pump if the pump needs 12 more minutes to fill the tank than to empty it?
A.
10
m3
min
B.
60
m3
min
C.
45
m3
min
D.
90
m3
min
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exam Other Question
When Abhinav and Bipul are working alone, they can complete a piece of work in 25 days and 30 days respectively. On day 1, Bipul started the work and Abhinav joined B from day 3 on-wards. Find after how many days will the work be completed?
A.
13
B.
11
C.
15
D.
16
Anil does a work in 90 days, Bittu in 40 days and Chintu in 12 days. They work one after another for a day each, starting with Anil followed by Bittu and then by Chintu. If the total wages received are Rs 360 and Anil, Bittu, Chintu share them in the ratio of the work done, find their respective individual wages.
A.
Rs 40, Rs 60 and Rs 260
B.
Rs 36, Rs 81 and Rs 243
C.
Rs 42, Rs 86 and Rs 232
D.
Rs 38, Rs 88 and Rs 234