Question

If 15 workers can build a wall in 48 hours how many pumps of the same type are used to fill the tank in half an hour​

Answer 1

ANSWER:

24 Workers.....

EXPLANATION:

Let,

X1=15 workers

Y1=48 hrs

X2= 'y'

Y2=30 hrs....

since,

X1× Y1=X2×Y2

therfore,

15×48 = y× 30

and therefore , y=24

.....hope it hepls u Mate.....