Quantitative Aptitude - Arithmetic Ability Questions

The area of an equilateral triangle is 25√3 sq.cm. Find its side (in cm).

Calculate the angle subtended by the chord at the point on the major arc if the radius and the chord of the circle are equal in length.

The ratio of present ages of Rasika and Shami is 7:5. After 17 years the ratio of their ages will be 12:11. What is Rasika's present age?

If X+Y=3,XY=2, find the value of X3-Y3

3 numbers whose average is 112, the first number is 1/6th the sum of other 2. What is the first number?

The ratio of the amount of work done by (x-1) labours in (x+1) days and that done by (x+1) labours in (x+2) days is 5 : 6. Then the value of x is

A pentagonal prism has 15 edges. How many vertices does it have?

The length and breadth of a rectangle are 24 cm and 7 cm respectively. Calculate its perimeter (in cm).