Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
13 ∶ 169 ∶ ∶ 9 ∶ ? ∶ ∶ 21 ∶ 441
- AOption (a)
27
- BOption (b)
729
- COption (c)
81
- DOption (d)
243
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Correct answer
81
Why this answer is correct
The logic followed here is:
Logic: (1st number)2 = 2nd number.
Now,
For, 13 : 169
⇒ 132 = 169.
For, 21 : 441
⇒ 212 = 441.
Similarly, for 9 : ?
⇒ 92 = 81.
Hence, the correct answer is Option 3.





































































