In following number series, two terms have been put within brackets. Choose the appropriate option - 4, 8, 28, 80, 244, x

B. 728

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. - 2, 1, 2, 4, 4, 5, 6, 7, 8, 8, 10, 11,

B. 10

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. - 1, 2, 6, 24,

C. 120

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. - 9, 11, 20, 31, (…….), 82

B. 51

In following questions, one term in number series is incorrect. - Find out the incorrect number 445, 221, 109, 46, 25, 11, 4

B. 46