SSC CHSL 2021 PYQ — Question 60

SSC CHSL - 19 April 2021 - Shift 2 • Quantitative Aptitude • Q60

PQRS is a cyclic quadrilateral with QR as the diameter of the circle. If ∠\angleSQR = 24°, then what will be the measure of ∠\angleQPS?

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 114°

Given:

  ∠\angleSQR = 24°

QR is diameter.

Concept USed:

Sum of the opposite angles of a cyclic quadrilateral is 180°.

Angle subtended by the diameter of a circle to its circumference is 90°.

Explanation:

According to the given question,

Now, In triangle QRS, ∠\angleQSR + ∠\angleSRQ + ∠\angleSQR = 180°

⇒ 90° +  ∠\angleSRQ + 24° = 180°

⇒  ∠\angleSRQ = 66°

Also, in cyclic quadrilateral PQRS, ∠\angleQPS + ∠\angleQRS = 180°

⇒  ∠\angleQPS = 180° - 66°

⇒  ∠\angleQPS = 114°

Hence the required answer is 114°.