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

The number of A type employees in 1998 was approximately what percent of the number of A type employees in 1997? 

A dishonest dealer marks up the price of an article by 15% and gave a discount of 20%. He also uses 900gm instead of 1000gm. Find his profit percent.

Directions : What should come in place of the question mark (?) in the following number series? 

19 38 ? 228 684 1368 

If the graph of the equations x + y = 0 and 5y + 7x =24 intersect at (m, n), then the value of m + n is :

What is the reflection of the point (5,-2) in the line y=-1?

In a exam, a student scores four marks for every correct answer and loses one mark for every wrong answer. If Rahul attempts all sixty questions and secures 130 marks, the no of questions Rahul attempted correctly is :

Cost of 18 shirts and 45 trousers is Rs 68,400. What is the cost of 10 shirts and 25 trousers?