SSC CPO 2023 PYQ — Question 141

The correct answer is option 1 i.e. 40

Concept used:

acosec²A + bsin²A, then

Minimum value = 2√ab

Calculations:

According to the question;

⇒ 16cosec²$\theta$ + 25sin²$\theta$

⇒ 2√(16 × 25)

⇒ 2√400

⇒ 2 × 20 = 40