Quantitative Aptitude - Arithmetic Ability Questions

If tan π/3c + cosec π/6c = x, then x is

The areas of two similar triangles ΔABC and ΔPQR are 36 sq cms and 9 sq cms respectively. If PQ = 4 cm then what is the length of AB (in cm)?

A solid sphere of radius 3 cm is melted to form a hollow right circular cylindrical tube of length 4 cm and external radius 5 cm. The thickness of the tube is

Area of _____ equals square of its side.

What is the difference (in Rs) between the compound interests on Rs. 4000 for 1 year at 12% per annum compounded yearly and half-yearly?

If 3x+22x+1 = a2x+1+bx+2 be an identity, then the value of b

If x3-2x=3x, then the value of x2+1x2 will be

Given a -­ b = 2, a3 - b3=26 then (a + b)2 is