Quantitative Aptitude - Arithmetic Ability Questions

If Rs. 2,000 is invested at the rate of 20% per annum, compounded half-yearly, then the amount after 18 months will be:

If 3 dupatta is offered free on purchase of 6 dupattas priced Rs 1200 each what is the effective discount on each dupatta?

60% of P = 50% of Q and Q = x% of P. What is the value of x?

A solid sphere of diameter 7 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area ?

What is the y – intercept of the linear equation 59x + 14y – 112 = 0?

If 3x - 10 = -(2x + 5), then the numerical value of (x - 4)3 is

The marked price of a sofa set is Rs 4800 which is sold at Rs 3672 at two successive discounts. If the first discount is 10%, then what will be the second discount (in %)?

The value of sec217°-1tan273°-sin17°sec73°