The income of Aman is Rs. 30,000 per month and his expenditure is Rs. 20,000 per month. In the next month, his income increases by Rs. 10,000 per month, and expenditure increases to Rs. 25,000 per month. In the next month, his savings increases by what percent?

If the areas of two isosceles triangles are in the ratio of X² : Y², then the ratio of their corresponding heights is:

What approximate value should come in the place of question mark (?) in the following question?

(59.99% of 3499.99) + {(19.92% of 1224.95) ÷ 4.95} = ?

What is the mode of the given data?

5, 7, 9, 7, 3, 7, 5, 7, 8, 6, 7

What is the value of cosecA(1 − cosA)(cosecA + cotA)?

If (m + 1) = √n + 3, the value of   $${1\over 2}\left({m^3-6m^2+12m-8\over \sqrt { n}}-n \right)  \ $$ is

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 speed of a train is 108 km/h. The distance covered by the train in 11 seconds will be: