Select the option that is related to the third number in the same way as the second number is related to the first number.
9: 121 ∷ 7:?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e 81.
| Understanding | Application |
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The logic used here is: 9: 121 121 = (9 +2)2 |
Similarly, 7:? (7+2)2 = 81 Hence, option 1 is the correct answer. |