Question

What portion of a saree can zenab paint in 1 hours if it requires 7 hours to paint the whole saree? in 4 by2 hours ? in 7by4 hours?

Answer 1

Answer:

1/7, 2/7, 1/4

Step-by-step explanation:

In 7 hours he can paint the whole saree. So, he can paint 1/7 in 1 hour. The rest are same as this.

Answer 2

Answer:

let the length of the saree be X metres

7 hours is required to paint x metres

therefore in 1 hour, (x/7) metres of saree can be painted

in 4/2 hours, (x/7)*4/2

=(x*2)/7=2x/7 metres of saree will be painted

In 7/4 hours, (x/7)*7/4=x/4 metres of saree will be painted