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Select the number from among the given options that can replace the question mark (?) in the following series.3, 8, 18, 33, 53, ?
Question

Select the number from among the given options that can replace the question mark (?) in the following series.
3, 8, 18, 33, 53, ?

A.

83

B.

68

C.

73

D.

78

Correct option is D

Given: 3, 8, 18, 33, 53, ?
Logic: Series is increasing by 5, 10, 15, 20,25......
3 + 5 = 8
8 + 10 = 18
18 + 15 = 33
33 + 20 = 53
Next term will be: 
53 + 25 = 78
Thus, the correct answer is (d) 78.

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