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Sunday, November 11, 2018

What should come in place of the question mark (?) in the following number series ?
13, 13, 65, 585, 7605, 129285, ?

What should come in place of the question mark (?) in the following number series ?
13, 13, 65, 585, 7605, 129285, ?
A2456415
B2235675
C2980565
D2714985

Correct Answer: D [2714985]

Explanation:

13×1=13

13×5=65

65×9=585

585×13=7605

7605×17=129285

129285×21=2714985


So the next number is 2714985.
The series is 13, 13, 65, 585, 7605, 129285, 2714985.

Nithin K
answered May 3 '2018 at 20:36

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