Quantitative Ab...

tan 54° can be expressed as

A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is:

The length of the base of a triangle is 5/7 of the base of a parallelogram. The area of the triangle and the parallelogram is the same. Find the ratio of the respective heights of the triangle and the parallelogram.

Find the mean of the given data:

3, 5, 8, 6, 9, 4, 5, 2, 7, 1, 5

The mean deviation from the median is:

Which one of the following represents the number 'eleven thousand eleven hundred eleven'?

How many kilogram of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg so that there may be a gain of 10 % by selling the mixture at Rs. 9.24 per kg?

If sin α + cos α = p, then what is cos² (2α) equal to?

40% of the employees in a factory are workers. All the remaining employees are executives. The annual income of each worker is Rs. 390. The annual income of each executive is Rs. 420. What is the average annual income of all the employees in the factory together?