Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
25, 36, 49, 64, 81, 100, 121, 144, 169, ?
Option 1: 342
Option 2: 204
Option 3: 256
Option 4: 196
Correct Answer: 196
Solution :
Given:
25, 36, 49, 64, 81, 100, 121, 144, 169, ?
The numbers of the series are the squares of consecutive natural numbers starting from 5.
5
2
= 25; 6
2
= 36; 7
2
= 49; 8
2
= 64; 9
2
= 81; 10
2
= 100; 11
2
= 121; 12
2
= 144; 13
2
= 169; 14
2
= 196
So, the missing number of the series is 196. Hence, the fourth option is correct.
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