In following number series, two terms have been put within brackets. Choose the appropriate option - Look at this series: 544, 509, 474, 439, . . .What number should come next?

A. 404

In following number series, two terms have been put within brackets. Choose the appropriate option - 4 , 9 , 5 , 12 , 7 , 15 , 8 , x , 10.

B. 18

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. - 3, 12, 27, 48, 75, 108, (……..)

A. 147

In following number series, two terms have been put within brackets. Choose the appropriate option - Which is the number that comes next in the following sequence ?4, 6, 12, 14, 28, 30, (.....)

B. 60

In following number series, two terms have been put within brackets. Choose the appropriate option - Look at this series: 58, 52, 46, 40, 34, . . .What number should come next ?

B. 28