SSC CPO 2025 PYQ — Question 121

SSC CPO - 10 Dec 2025 - Shift 2 • Quantitative Aptitude • Q121

If ∠A and ∠B are complementary and ∠A = 40°, what is ∠B?

Show answer & explanation

Correct answer: C

Explanation

Given:

∠A = 40°

∠A and ∠B are complementary.

According to the formula:

The sum of complementary angles = 90°

∠B = 90° − 40°

= 50°