Select the option that is related to the third number in the same way as the second number is related to the first number.
169: 12:: 81:?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 8.
The logic used here is:
169: 12
12 + 1 = 13
132 = 169
Similarly,
81:?
8 + 1 = 9
92 = 81
Hence, 81 is the correct answer.