The sum of two numbers is 25 and their difference is 7. What is their product?

A. 136

B. 150

C. 144

D. 156

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc cgl Save WhatsApp Report

1 answer

Best answer

Answer: C. 144

Answer: (C) 144

Shortcut: \(xy = \frac{(x + y)^2 - (x - y)^2}{4} = \frac{625 - 49}{4} = 144\). (The numbers are 16 and 9.)

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

Was this answer helpful?