SSC GD Constable 2024 · Question 36 of 75
Total height of six friends = 144 × 6 = 864 cm. When a boy with height 150 cm leaves, the total height becomes 864 - 150 = 714 cm. The new average height of the remaining five friends = 714 ÷ 5 = 142.8 cm. Thus, the correct answer is 142.8 cm.
Source: SSC GD Constable 2024 Official Paper (Held On 20 Feb 2024 Shift 3) English — Prepp (with answer key and explanations) · reliable-secondary
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