Quantitative Aptitude - Arithmetic Ability Questions

The angle of elevation of the top of a hill at the foot of the tower is 60 deg and the angle of elevation of the top of the tower from the foot of the hill is 30 deg. If the tower is 50 m high, what is the height of the hill?

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 29160, and Rs 31492.8 respectively, what is the rate of interest?

ABC is an equilateral triangle of side 6 cm. If a circle of radius 1 cm is moving inside and along the sides of the triangle, then the locus of the centre of the circle is an equilateral triangle of side is

Δ XYZ is right angled at Y. If m∠Z = 60°, what is the length of YZ (in cm), if ZX = 3√3 cm?

What is the value of Cot 45° - (1/√3)Cosec 60°?

cosA/(1 -­ sin A) is equal to

2sin[(C+D)/2].cos[(C­-D)/2] is equal to

If tan ­-5π/3 = x, then the value of x is