Question
Find the wrong number in the series given below.
5, 16, 50, 157, 463, 1394Solution
5 × 3 + 1 = 16. 16 × 3 + 2 = 50  50 × 3 + 3 = 153 but we have given 157 153 × 3 + 4 = 463 463 × 3 + 5 = 1394
Which person is the heaviest?
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