Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?

The third proportional of two numbers 4 and 28 is _______.

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?

In a college union, there are 48 students. The ratio of the number of boys to the number of girls is 5:3. The number of girls to be added in the union, so that the number of boys to girls in 6:5 is

The measures of the four angles of a quadrilateral are in the ratio 1:2:3:4. What is the measure of the biggest angle?

Simplify 0.1x0.1x0.1 + 0.3x0.3x0.30.3x0.3 - 0.3x0.1 + 0.1x0.1

If a - b = 1 and ab = 6, then what is the value of a3- b3?

If 7x - [3(2x - 3)]/2 = 1/2, then what is the value of x?