A

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Q. Select the related Words / Letter / Number / Figure From the given Alternatives.
11 : 121 : 110 : : 15 : 225 : 210 : : ?

  • (A) 9 : 81 : 70
  • (B) 19 : 361 : 342
  • (C) 17 : 288 : 272
  • (D) 16 : 255 : 239
  • Correct Answer - Option(B)
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  • Filed under category Reasoning
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Explanation by: Admin

Given Pattern:

We have the pair 11 : 121 : 110 and 15 : 225 : 210.

For the first pair (11 : 121 : 110):

  • 11 → 121: This is simply the square of 11, i.e., 112=12111^2 = 121.
  • 121 → 110: This is 121 - 11 = 110.

For the second pair (15 : 225 : 210):

  • 15 → 225: This is the square of 15, i.e., 152=22515^2 = 225.
  • 225 → 210: This is 225 - 15 = 210.

Now, applying the same pattern to the third set:

We need to follow the same steps for the third set, starting with 19.

  • 19 → ?: First, square 19: 192=36119^2 = 361.
  • 361 → ?: Now, subtract 19 from 361: 361−19=342361 - 19 = 342.

Thus, the third set should be 19 : 361 : 342.

Conclusion:

The correct answer is (B) 19 : 361 : 342.

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