Question

Select the option that is related to the third term in the same way as the second term is related to the first term.
226 : 15 :: 65 : ?
(A) 13
(B) 4
(C) 12
(D) 8

Answer 1

15 power 2 is 225
225+1=226
As it is
8 power 2 is 64
64+1=64
So,my answer is (D) 8

Answer 2

Answer:

The correct answer is D. 8

Step-by-step explanation:

To find the required relation between the numbers :

We first find the relation between the given two numbers : 226 and 15

We can see, 15² + 1 = 225 + 1 = 226

So, similarly to find the required number such that 1 plus its square is 65

⇒ If the required number is x then x² + 1 = 65

                                                          ⇒ x² = 64

                                                          ⇒ x = 8

So, the required number is 8.

And the series is :         226 : 15 :: 65 : 8

Hence, the correct option is D.