Question : Directions: In the following question a series is given, with one number missing. select the missing number from the given alternatives.
4, 16, 36, 64, ?
Option 1: 81
Option 2: 121
Option 3: 100
Option 4: 729
Correct Answer: 100
Solution :
Given:
4, 16, 36, 64,?
Each term is obtained by the squaring of consecutive even numbers –
2
2
= 4; 4
2
= 16; 6
2
= 36; 8
2
= 64; 10
2
= 100
So, 100 is the missing term in the series. Hence, the third option is correct.
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