Question

The sum of two numbers is 15 and their product is 50. What is the sum of the reciprocals of these numbers.

• A. 2/3
• B. 4/11
• C. 3/10
• D. 5/9

Answer 1

Answer:

C. 3/10

Let the numbers be a and b a+b=15 ab=50 1/a + 1/b =a+b/ab = 15/50 = 3/10