Question

The difference between two numbers is 43 and their product is 1344. What is the sum of the numbers?

• A. 85
• B. 88
• C. 92
• D. None of these

Answer 1

Answer:

A. 85

Read Explanation:

x-y=43 xy = 1344 .: (x+y)² = (x-y)² + 4xy = (43)² + 4 x 1344 =1849 + 5376 = 7225 x+y = 85

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