Question

The sum of two numbers is 11 and their product is 30. What is the sum of the reciprocals of these numbers?

• A. 11/30
• B. 7/29
• C. 1/3
• D. 5/8

Answer 1

Answer:

A. 11/30

Let two numbers be x and y. Then x+y=11, xy=30 Sum of reciprocals of two numbers =1/x + 1/y = (x+y)/xy = 11/30