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Which of the following options will replace the question mark (?) in the given series?71, 213, 639, 1917, 5751, ?
Question

Which of the following options will replace the question mark (?) in the given series?
71, 213, 639, 1917, 5751, ?

A.

19479

B.

11643

C.

17253

D.

16509

Correct option is C

Given Series: 71,213,639,1917,5751,?
Logic: each number is multiplied by 3 to get next number.
71×3=213
213×3=639
639×3=1917
1917×3=5751
5751×3=17253
Thus, the next number in the sequence is 17,253.
Thus, correct option is (c).

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