Quantitative Aptitude - Arithmetic Ability Questions

Simplify (2/7 + 3/5) / (2/5 + 2/7)

Select the odd word/letters/number/number pair from the given alternatives.

The tangents drawn at points A and B of a circle with centre O, meet at P. If ∠AOB = 120° and AP = 6 cm, then what is the area of triangle (in cm2) APB?

The surface area of a sphere is 5544 cm2. Find its diameter (in cm).

The simple interest on a certain sum of money at the rate of 5% per annum for 8 years is Rs. 840 . Rate of interest for which the same amount of interest can be received on the same sum after 5 years is

If tan (5x ­- 10°) = cot (5y + 20°), then the value of x + y is

What is the effective discount (in %) on two successive discounts of 20% and 10%?

The external and the internal radii of a hollow right circular cylinder of height 15 cm are 6.75 cm and 5.25 cm respectively. If it is melted to form a solid cylinder of height half of the orignal cylinder, then the radius of the solid cylinder is