SSC CHSL 2012 · Question 137 of 202
Let the consecutive even numbers are 2n, – 2n + 2, 2n + 4 and 2n + 6 + + + + + + Average = 2n 2n 2 2n 4 2n 6 4 8n + 12 = 4 × 9 Þ n = 3 Hence, the numbers are 6, 8, 10 and 21. Largest among them is 12. boys : girls girls : teacher
Source: SSC CHSL Solved Paper 04-11-2012 (Disha Publications) · reliable-secondary
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