Fill in the blanks to make the statements true: If 12 pumps can empty a reservoir in 20 hours, then time required by 45 such pumps to empty the same reservoir is …………. hours.

Question

Philoid · Accepted Answer

∵ 12 pumps can empty a reservoir in 20h.

∴ 1 pump can empty in 20 × 12 i.e. 240h.

Then, 45 pumps can empty the same reservoir in

⇒

⇒ 5× 60 + 20

⇒ 5h 20min

Fill in the blanks to make the statements true:If 12 pumps can empty a reservoir in 20 hours, then time required by 45 such pumps to empty the same reservoir is …………. hours.

Fill in the blanks to make the statements true:
If 12 pumps can empty a reservoir in 20 hours, then time required by 45 such pumps to empty the same reservoir is …………. hours.