If 1/x + 1/y = 1/3, then xy/x+y=?

A 1/5

B 1/3

C 1

D 3

Solution

Correct Answer: Option D

(1/x + 1/y) = 1/3

=> ( y+x )/ xy = 1/3

=> xy/(x+y) = 3/1

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions