Question : Directions: Select the option that is related to the third number in the same way as the second number is related to the first number.
7 : 57 :: 13 : ?
Option 1: 163
Option 2: 153
Option 3: 183
Option 4: 143
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Correct Answer: 183
Solution :
Given:
7 : 57 :: 13 : ?
Add the square of the first term to its following number to obtain the required number.
7 : 57→7
2
+ (7 + 1) = 49 + 8 = 57
Similarly, follow the same pattern for 13 –
13
2
+ (13 + 1) = 169 + 14 = 183
So, 183 is the required term in the given set of numbers. Hence, the third option is correct.
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