Quantitative Aptitude - Arithmetic Ability Questions

What is the value of √[(1 + sinA)/(1 -­ sinA)]?

Three balls ring at intervals of 15, 30 and 45minutes respectively. At what time will they ring together again, if they rang simultaneously at 8.00 AM?

If 1 dupatta is offered free on purchase of 4 dupattas priced Rs 1300 each what is the effective discount on each dupatta?

A box of 20 items was bought for Rs. 6,400 after a discount of 20%. Find the cost of each item.

If a3+1a3 = 2, then the value of a2+1a?

If the value of √30  is approximately 5.477, then what is the approximate value of 56 ?

What is the value of xy if x - y = 3 and x2+y2=15?

Select the odd number from the given alternatives.