Question

These questions are based on the following set of numbers:                  6523       8462       2297       5144       4739

If first and last digit of each number is multiplied and then the product is added to middle two digits of the number, which resultant number gets repeated?

A 25 Correct Answer Incorrect Answer
B 26 Correct Answer Incorrect Answer
C 22 Correct Answer Incorrect Answer
D 46 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

6523= 6 × 3 + 5 + 2 = 25  8462= 8 × 2 + 4 + 6 = 26   2297= 2 × 7 + 2 + 9 = 25  5144= 5 × 4 + 1 + 4 = 25  4739= 4 × 9 + 7 + 3 = 46

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