Directions: Degree- wise breakup of employees working in various department of an organisation and the ratio to men to women.

Respective ratio of men to women in each department

What is the number of men working in the marketing department?

The adjoining diagram is frequency polygon for the scores of students in a test.
What is the total number of students appeared in the test?

If x + y + 3 = 0 , then find the value of x³+y³-9xy+9.

Direction: Study the following line graph carefully and answer the questions given below.
 In the below line graph, the number of animals in two zoo A and B in the years – 2001, 2003, 2005 and 2007 is given.

If in the year 2005, 35% of animals in zoo-A and 55% of animals in zoo-B are carnivorous, then what is the sum of the number of carnivorous animals in zoo A and B in the years 2005?

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)

1728 ÷ ? + 149.98 × 25.15 = 3156 - 269.75

The diagonal of a square A is (a+b). The diagonal of a square whose area is twice the area of square A, is

Direction: What value will come in place of the question mark (?) in the following question?

230, 204, 187, 177, 172, ?

The sum of length, breadth and height of a cuboid is 20 cm. If the length of the diagonal is 12 cm, then find the total surface area of cuboid.