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Which of the following numbers will replace the question mark (?) in the given series? 62, 67, 74, 83, 94, 107, ?
Question

Which of the following numbers will replace the question mark (?) in the given series?
62, 67, 74, 83, 94, 107, ?

A.

121

B.

120

C.

112

D.

122

Correct option is D

Series: 62, 67, 74, 83, 94, 107, ?
The differences between consecutive terms:
67−62=5
74−67=7
83−74=9
94−83=11
107−94=13
Pattern of differences: increasing by +2 each time: 5, 7, 9, 11, 13.
Determine the next difference should be 13+2=15.
Adding 15 to the last term (107): 107+15=122.
Correct answer: (d) 122

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