exam Maths Puzzle

Water flows into a reservoir which is 200 m long and 150 m wide, through a pipe of cross-section (0.3m X 0.2m) at 20kmph. In what time will the water level be 8?

A.

100 hrs

B.

150 hrs

C.

175 hrs

D.

200 hrs

Read Solution (Total 1)

.3*0.2*20000=1200
1200t=200*150*8
t=200
9 years agoHelpfull: Yes(0) No(0)

exam Other Question

A and B together can complete a piece of work in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete the same working in:

A.

74 Days

B.

80 Days

C.

84 Days

D.

90 Days
A work is done by three person A,B and C. A alone takes 10 hours to complete a single product but B and C working together takes 4 hours, for the completion of the same product. If all of them worked together and completed 14 products, then how many hours have they worked?

A.

20 hrs

B.

28 hrs

C.

40 hrs

D.

54 hrs