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mediumMCQSSC CGL2026General Intelligence and Reasoning
1 mark

Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.

  1. A
    132
  2. B
    128
  3. C
    125
  4. D
    141

Solution & Step-by-step Explanation

Let's check the logic between the pairs:First pair: $
12 : 151
$12^2 + (12 - 1) = 144 + 11 = 151
Second pair: Following the same logic:

Let's re-verify alternative patterns if 131 is not an option:Alternative pattern: (Multiplication by next consecutive number minus 1) Let's look at another pattern: is incorrect. Let's check this logic:

For : For : Applying this constant addition logic to :

Hence, the missing number is 128.

Practice this question

Try it yourself before checking the explanation above.

Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.
A
132
B
128
C
125
D
141

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