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Question

Change the question mark with the option that follows the applied logic in the first pair.

1125: 18 :: 1356: ??

This question was previously asked in
RPF SI 2018 Question Paper PDF (10-Jan-2019) (Shift 1)
The correct answer is

30

In the first pair, add the digits of 1125: \(1 + 1 + 2 + 5 = 9\), and \(9 \times 2 = 18\).

Apply the same rule to 1356: \(1 + 3 + 5 + 6 = 15\).

\(15 \times 2 = 30\).

Hence, the answer is 30.

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Important Questions from Analogy

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