Quantitative Aptitude - Arithmetic Ability Questions

If a+1a=1,then the value of a2-a+1a2+a+1 is a≠0

The perimeter and the breadth of a rectangle are 44 cm and 10 cm respectively. Find its area (in cm2).

A regular pyramid has a square base. The height of the pyramid is 22 cm and side of its base is 14 cm. Volume of pyramid is equal to the volume of a sphere. What is the radius (in cm) of the sphere?

A shopkeeper marks up his wares by 60% and offers 10% discount. What will be the selling price (in Rs) if the cost price is Rs 7500?

If P : Q : R = 6 : 7 : 8 and R : S = 3 : 5, then what is P : S?

In figure 'O' is the centre of a circle. The area of sector OAPB is 5/18. of the area of the circle find 'x'.

For triangle ABC, find equation of median AD if co­ordinates of points A, B and C are (2,­4), (3,0) and (5,­2) respectively?

4 + 16 x -12 x 24 - 13 - 3 ÷ 20 - 4 = ?