Question

Plzz solve Question 7 and 8. It is of class 8th chapter Direct and inverse proportion.

Answer 1

1. $\sqrt{x}$$\int\limits^a_b {x} \, dx$

Answer 2

Let the distance on map be 'x'

20÷1 = 72÷x

Hence x = 72÷20= 3.6cm

I am not sure but you can check with this answer