Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
121, 144, 169, ?, 225, 256
Option 1: 196
Option 2: 192
Option 3: 188
Option 4: 194
Correct Answer: 196
Solution :
Given:
121, 144, 169, ?, 225, 256
The series consists of the squares of consecutive numbers starting from 11.
(11)
2
= 121; (12)
2
= 144; (13)
2
= 169; (14)
2
= 196; (15)
2
= 225; (16)
2
= 256
So, the missing number is 196. Hence, the first option is correct.
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