Quantitative Aptitude - Arithmetic Ability Questions

√[(1 ­ sinA)/(1 + sinA)] is equal to?

Which of the following quadratic equations has real roots?

Δ LMN is right angled at M. If m∠N = 60 deg., then Tan L =______.

If x = 4aba+b, then what is the value of x+2ax-2a+x+2bx-2b ?

If x=2+3,then the value of x2-x+1x2+x+1 is

Product of digits of a 2-digit number is 72. If we add 9 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

What is the area (in sq cm) of an equilateral triangle of side 14 cm?

The radius of a sphere is 6 cm. It is melted and drawn into a wire of radius 0.2 cm. The length of the wire is