Quantitative Aptitude - Arithmetic Ability Questions

If a2b+c=b2c+a=c2a+b=1 then the value of 21+a+21+b+21+c

ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?

The area of an equilateral triangle is 25√3 sq.cm. Find its side (in cm).

The area of a rhombus having one side 10 cm and one diagonal 12 cm is

A line passing through the origin perpendicularly cuts the line 2x + 3y = 6 at point M. Find M?

If x = 3+13, then the value of x-12642x-1x-233 is

sinA/(1 + cos A) is equal to

10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in