13, 26, 78, ?, 2730, 30030

13, 26, 78, ?, 2730, 30030

Direction: Find out the missing number in the following number series.

Q) 13, 26, 78, ?, 2730, 30030

A. 312

B. 390

C. 448

D. 273

E. 39

Sol:

13 * 2 = 26

26 * 3 = 78

78 * 5 = 390

390 * 7 = 2730

2730 * 11 = 30030

quantitative aptitude
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