In following number series, two terms have been put within brackets. Choose the appropriate option - In the series 357, 363, 369, ..., what will br the 10th term ?

B. 411

In following number series, two terms have been put within brackets. Choose the appropriate option - 15,31,63,127,255,x

B. 511

In following number series, two terms have been put within brackets. Choose the appropriate option - 1,2,3,6,9,18, x ,54

D. 27

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. - 4, 5, 9, 18, 34, (…..)

D. 59

In following questions, one term in number series is incorrect. - Find out the incorrect number 5, 27, 61, 122, 213, 340, 509

A. 27