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In "Number Series" question, a number series is given with one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces

In following question, a number series is given with two term missing. Choose correct alternative

4,8,16,13,7,14, ? , ?

Option:
A. 8 , 16
B. 9, 18
C. 5, 10
D. 18, 16
E. None of these
Answer: B . 9, 18

Justification:


Next number is (1*n)‎+(sum of all digits)

So first tem is 4.

2nd Term = (1*4)+(0+4)= 8

3rd Term  = (1*8)+(0+8)= 16

4th Term = (1*6)+(1+6) = 13

5th Term = (1*3)+(1+3)= 7

6th Term = (1*7)+(0+7)= 14

7th Term = (1*4)+(1+4)= 9

8th Term = (1*9)+(0+9) = 18

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