EduGoog

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 one term missing. Choose the correct alternative that will same pattern and fill in the blank spaces.

563, 647, 479, 815,

Option:
A. 672
B. 386
C. 279
D. 143
Answer: D . 143

Justification:

The pattern is + 84, - 168, + 336,.....  i.e. + 84, - (84 * 2), + (84 * 22),...
.'. Missing number = 815 - (84 * 22) = 815 - 672 = 143.


Next