Direction: Percentage of different types of employees in a company in two consecutive years.

What was the approximate difference in the number of B type of employees during 1997 and 1998? 

Direction: Percentage of different types of employees in a company in two consecutive years.

From 1997 to 1998 in the case of which of the following types of employees the change was maximum ? 

Direction: Percentage of different types of employees in a company in two consecutive years.

In 1997 the total number of which of the following types of pairs of employees was approximately equal to the employees in 1998? 

Two students appeared at an examination. One of them secured 9 marks more than the other and his marks were 56 % of the sum of their marks. The marks obtained by them are: 

Which of the following is a perfect square as well as a cube ? 

(5.5)³-(4.5)³ is equal to : 

$$3\sqrt{ {72.9\over0.4096}}$$ is equal to : 

1008 divided by which single-digit number gives a perfect square?