54 is related to 59 following a certain logic. Following the same logic, 30 is related to 35. To which of the following is 11 related, following the same logic?
 (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

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RRB NTPC Graduate Level CBT-I Official Paper (Held On: 05 Jun, 2025 Shift 3)
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  1. 18
  2. 15
  3. 17
  4. 16

Answer (Detailed Solution Below)

Option 4 : 16
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Detailed Solution

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The logic to be followed here is

Logic: Second Number = First Number + 5

For 54 is related to 59

Here, 59 = 54 + 5

30 is related to 35

Here, 35 = 30 + 5

Now, apply the same logic to find the number related to 11:

Let the related number be ?. So, 11 is related to ?.

? = 11 + 5

? = 16

Therefore, 11 is related to 16.

Hence, the correct answer is "Option 4".

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