A and B are two positive odd numbers. A × B = 9 and A < B. What is the value of A + B?
Show answer & explanation
Correct answer: C
Explanation
Given:
A × B = 9, A < B, both are positive odd numbers.
9 = 1 × 9 or 3 × 3
A < B ⇒ (1, 9)
A + B = 1 + 9 = 10