If a +b = 10 and a-b = 20, then what will be the value of a/b?

If a +b = 10 and a-b = 20, then what will be the value of a/b?

A 10/20

B 1/3

C -1/3

D -3

Solution

Correct Answer: Option D

here, a+b=10 a-b=20 so,2a=30 or,a=15 then b= 10-15=-5 so,a/b=15/-5=-3