$$\frac{1}{9}:\frac{1}{81},\frac{1}{13}:?$$
Expression =Â $$\frac{1}{9}:\frac{1}{81},\frac{1}{13}:?$$
The pattern followed is = $$\frac{1}{n}:\frac{1}{n^2}$$
Eg = $$\frac{1}{9}=\frac{1}{9^2}=\frac{1}{9}:\frac{1}{81}$$
Similarly, $$\frac{1}{13^2}=\frac{1}{169}$$
=> Ans - (A)
Create a FREE account and get:
Day-wise Structured & Planned Preparation Guide
By proceeding you agree to create your account
Free CAT Schedule PDF will be sent to your email address soon !!!
