SSC CHSL 2023 · PYQ · Number Pairs / Odd One Out · medium
The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs, EXCEPT one. Find that odd number pair.
Answer
The correct answer is C: 520:481. In 361:332, 533:504, 440:411 the difference is 29 each time. In 520:481 the difference is 39, not 29.
A.361:332
B.533:504
C.520:481✓ Correct
D.440:411
Explanation
In 361:332, 533:504, 440:411 the difference is 29 each time. In 520:481 the difference is 39, not 29. So 520:481 is the odd one out.
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