Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
61, 65, 73, 85, 101, ?
Option 1: 123
Option 2: 120
Option 3: 121
Option 4: 119
Correct Answer: 121
Solution :
Given:
61, 65, 73, 85, 101, ?
In the above-given series add multiples of 4 to obtain the next number.
61→61 + 4 = 65
65→65 + 8 =73
73→73 + 12 = 85
85→85 + 16 = 101
101→101 + 20 = 121
So, the next term of the series is 121. Hence, the third option is correct.
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