Question
Select the option that is related to third
number-cluster in the same way first number cluster is related to second number-cluster. 26: 40 :: 39: ?Solution
The logic is the sum of the square of the digits of the first and third number is the second and fourth number respectively. For '26: 40' = 2² + 6² = 4 + 36 = 40 Similarly, for '39: ?' = 3² + 9² = 9 + 81 = 90 So, '39' is related to '90' in the same way as '26' is related to '40'. Hence, option A.
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