Question
If digits of each number are added and sum is multiplied
by 2, and the resultants are arranged in descending order, which number will be at last position? These questions are based on the following set of numbers: 6523 8462 2297 5144 4739Solution
6523= 6 + 5 + 2 + 3 = 16 × 2= 32 8462 = 8 + 4 + 6 + 2 = 20 × 2= 40 2297 = 2 + 2 + 9 + 7 = 20 × 2= 40 5144 = 5 + 1 + 4 + 4 = 14 × 2= 28 4739= 4 + 7 + 3 + 9 = 23 × 2= 46 46 40 40 32 28 (Arranged in descending order).
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