9. Find the number.

When 75% of a number is added to 75, it results in the number itself. Find the number?

Answer:
300
Explanation:

Let the number be ‘x’. 75% of x can be written as 3/4x.

Given, 3/4x+75=x

Solving gives x=300.

8. Find the next no.

 7-3=10124
6+3=9279
5-2=763
11+2=132613
15-3=? ?

Answer: 
183612