Question

The sum of two numbers is 10 . Their product is 20 . Find the sum of the reciprocals of the two numbers:

• A. 1
• B. 3/5
• C. 1/2
• D. 11/6

Answer 1

Answer:

C. 1/2

x+y=10 and xy = 20 According to the question, 1/x + 1/y = (x+y)/xy = 10/20 = 1/2