Question

the water level in a cistern which is being filled with water rises 63/4 in 7/4 hours how much rise an hour is this

Answer 1

Given:
the Water level Rises 63/4 units in 7/4Hrs

Let it rise 'x' units in 1Hr.

So x=63/4 ÷ 7/4
→x=63/4 × 4/7
→x=63/7
→x=9units.

so it rises 9 units in one hour.

Hope it helps.

Answer 2

in 7/4 hours it rises 63/4
so in ome hour it will rise {63/4}/{7/4} unit
and after solving the answer is 9 units