This question is based on the five, three-digit numbers given below.
(Left) 662 268 547 409 909 (Right)
(Example: 697 – First digit = 6, second digit = 9 and third digit = 7)
(NOTE: All operations to be done from left to right.)

What will be the resultant if the third digit of the highest number is subtracted from the first digit of the lowest number?

This question was previously asked in
RRB NTPC Graduate Level CBT-I Official Paper (Held On: 05 Jun, 2025 Shift 3)
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  1. -7
  2. -6
  3. -4
  4. -8

Answer (Detailed Solution Below)

Option 1 : -7
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Detailed Solution

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Given numbers: 662, 268, 547, 409, 909

Comparing all the given numbers, the highest number is 909.

For 909, the third digit is 9.

Comparing all the given numbers, the lowest number is 268.

For 268, the first digit is 2.

The third digit of the highest number (9) is to be subtracted from the first digit of the lowest number (2).

→ First digit of lowest number - Third digit of highest number

→ 2 - 9 = -7.

The resultant is -7.

Hence, the correct answer is "Option 1".

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