Choose the correct option to complete the following pattern.

Select the figure that will come next in the following figure series.

A number in the given number series is incorrect. Find the wrong number.
120, 143, 168, 196, 224

Which of the following represents all such Government employees who are not Scientists?

The ratio of the number of girls to the number of boys in a town is 90 %. If the total number of boys and girls in the town is 190, how many girls are in the town? 

In each of the following questions select the one which is different from other three responses.

Six persons (U, V, W, X, Y, Z) sitting in a circle (not necessarily in same order). U and X are sitting opposite to each other. Z is between U and Y. W is opposite to Z. Who is sitting between V and X?

A series is given, with one term missing. Choose the correct alternative from the given options that will complete the series.
51    (?)    57      65      81