SSC MTS 2024 · PYQ · Number Series / Analogy · medium
13 is related to 103 following a certain logic. Following the same logic, 9 is related to 71. To which of the following is 15 related, following the same logic?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits.)
A.109
B.117
C.119✓ Correct
D.112
Explanation
The pattern is: multiply the number by 8 and subtract 1. 13×8−1=103 and 9×8−1=71. Similarly, 15×8−1=120−1=119.
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