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QUESTION
Q
What will come in place of question mark (?) in the following number series: 18, 20, 44, 138, 560, 2810, (?)

What will come in place of question mark (?) in the following number series:

18, 20, 44, 138, 560, 2810, (?)

A

16818

B

16836

C

16854

D

16872

E

16890

A

16818

B

16836

C

16854

D

16872

E

16890

Solution

The pattern of the number series is : (18 Ã— 1) + 2 = 20 (20 Ã— 2) + 4 =...

The pattern of the number series is :

(18 Ã— 1) + 2 = 20

(20 Ã— 2) + 4 = 44

(44 Ã— 3) + 6 = 138

(138 Ã— 4) + 8 = 560

(560 Ã— 5) + 10 = 2810

(2810 Ã— 6) + 12 = 16872

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