Quantitative Aptitude - Arithmetic Ability Questions

Sum of lengths of all edges of a cube is 84 cm, find its volume?

If P=9, Q=17 then the value of p2-q2-13

PQ is the chord of a circle whose centre is O. ROS is a line segment originating from a point R on the circle that intersect PQ produced at point S such that QS = OR. If ∠QSR = 30°, then what is the value (in degrees)of POR?

Find the Odd one out.

Chandan is 2 years older than Ankit but 1 year younger than Sumit. Ankit is twice as old as Khushboo. If Khushboo's age is 25 years, what is the age (in years) of Sumit?

If x+1x=-2,then the value of x7+1x7

A,B and C contract a work for Rs. 440. Together A and B are to do 9/11 of the work. The share of C should be:

In the given figure, OX, OY and OZ are perpendicular bisectors of the three sides of the triangle. If QPR = 65 deg and PQR = 60 deg, then what is the value (in deg) of QOR + POR ?