Quantitative Aptitude - Arithmetic Ability Questions

If √(cosec2A - 1) = x, then the value of x is

If 7x + 6y = 5xy and 10x ­- 4y = 4xy, then value of x and y is

If x2+1x2 = 98, then x3+1x3 = ?

Find two numbers such that their mean proportion is 16 and third proportion is 1024.

If the value 5 = 2.236,then calculate the value of 405 - 1280-125

A number is divided into two parts in such a way that 30% of first part is 25 more than the 20% of second part. 50% of second part is 33.5 more than the 60% of first part. What is the number?

Rameshwar goes on a trip on his motor-cycle and rides for 405 kms. If he rides for 6 hours at a speed of 45 km/hr, find at what speed he travels for the remaining 3 hours of the journey?

If a person bought an item for Rs. 60 and sold it at a profit of 25%, the selling price of the item would be