SSC CGL 2023 PYQ — Question 51

The correct answer is option 1 i.e. 180.

By using the BODMAS rule:

2.5 × [144 ÷ 198 × {121 × 81 ÷ (11 × 9)}]

⇒ 2.5 × [144 ÷ 198 × (11 × 9)]

⇒ 2.5 × $\frac{144}{198}\times99$

⇒ 2.5 × 8 × 9

⇒ 180