Quantitative Aptitude - Arithmetic Ability Questions

There are total 200 students in a school, of which 1/5th are boys. Find the number of girls in the school.

Select the odd number from the given alternatives.

If A and B are the roots of the equation Ax2 – A2x + AB = 0, then what is the value of A and B respectively?

What is the value of (cos 45 - 1/3) ?

If aq-r+br-p-cp-q, then find the value of (pa + qp + rc) is

A piece of wire 132 cm long is bent successively in the shape of an equilateral triangle, a square and a circle. Then area will be longest in shape of

ΔXYZ is similar to ΔPQR. If ratio of perimeters of ΔXYZ : ΔPQR is 3:2 and if PQ = 6 cm then what is the length of XY (in cm)?

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