Quantitative Aptitude - Arithmetic Ability Questions

Simplify 486b3x2a4z3/27a3b2z

Reflection of the point (2,­7) in the y­axis is

What is the length of the side of an equilateral triangle, if its area is 36√3 sq cm?

If a is positive and a2+1a2 = 7, then a3 + 1a3 = ?

What is the value of 9991 x 10009?

The sum of thrice a number and twice its reciprocal is 97/4. What is the number?

A sum becomes Rs 8800 in 4 years at simple interest at the yearly interest rate of 25% per annum. What is the sum (in Rs)?

From a point P on a level ground , the angle of elevation to the top of the tower is 30° . If the tower is 100m high , the distance of point P from the foot of the tower is ( Take √3 = 1.73)