Directions: The table given here shows the production of five types of cars by a company in the year 1989 to 1994. Study the table and answer questions.

The percent increased in total production of all types of cars in1992 to that in 1991 was :

The HCF of x⁸ – 1 and x⁴ + 2x³ – 2x – 1 is :

By selling an article at 3/4th of the marked price, there is a gain of 25%. The ratio of the marked price and the cost price is-

Direction: What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

? × 350.01 ÷ 3.992² = 983 ÷ 14.001

Directions : Study the following frequency polygon and answer the questions. Given a line graph showing the number of students passed in Higher Secondary Examination in a school over the years 2008 to 2013.

The average of passed students in the years 2008, 2009, 2012 approximately is 

The average monthly salary of all the employees in an industry is Rs. 12,000. The average salary of male employees is Rs. 15,000 and that of female employees is Rs. 8,000. What is the ratio of male employees to female employees?

Study the graphs to answer these questions.
The pie chart shows the percentage of graduate employees in various department of M/S XYZ limited.
The employees in various departments of M/S. XYZ limited. Other than graduate employees are those employees who are either post graduate or undergraduates.

Number of other than graduate employees in Finance and Planning departments together is what percent greater than number of graduate employees in Administration department? (Approx) 

There are two groups A and B of a class, consisting of 42 and 28 students respectively. If the average weight of group A is 25 kg and that of group B is 40 kg, find the average weight of the whole class.