Question

m long and 22 m wide. Determine t
time in which the level of water in the tank will rise by 7 cm. [CBSE 20
26. Water in a canal, 5.4 m wide and 1.8 m deep, is flowing with a spee
of 25 km/hr. How much area can it irrigate in 40 minutes, if 10 cm
standing water is required for irrigation?
[CBSE 20
27. A farmer connects a pipe of internal diameter 25 cm from a canal into
cylindrical tank in his field, which is 12 m in diameter and 2.5 m dee
If water flows through the pipe at the rate of 3.6 km/hr, in how mu
time will the tank be filled? Also, find the cost of water if the can
department charges at the rate of 0.07 per m
mº.
[CBSE 2009
28. Water running in a cylindrical pipe of inner diameter 7 cm, is collect
in a container at the rate of 192.5 litres per minute. Find the rate of flo
[CBSE 20
of water in the pipe in km/hr.
29. 150 spherical marbles, each of diameter 1.4 cm, are dropped in​

Answer 1

Answer:

sorry I didn't understand the question