SSC Selection Post 2022 PYQ — Question 75

SSC Selection Post - Higher Secondary Level 2022 - 10 Feb 2022 - Shift 2 • Quantitative Aptitude • Q75

In ΔABC, ∠A = 48°. AB and AC are produced to points D and E, respectively. If the bisectors of ∠CBD and ∠BCE meet at a point O, then ∠BOC is equal to:

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 66°.

When the bisectors of exterior angles at B and C meet at O:

∠BOC = 90° − ∠A/2

∠BOC = 90° − (48°/2) ​= 90° − 24° = 66°.