Quantitative Aptitude - Arithmetic Ability Questions

Select the odd number from the given alternatives.

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

The total surface area of a hemisphere is 462 sq cm, what is its curved surface area? (Take π = 22/7)

What is the difference of the factors of the expression x2 + (1/x2) – 6?

If y=2secθ and x=3tanθ then x29-y24 is

There is 40% increase in an amount in 10 years at simple interest. What will be the compound interest of Rs 25000 after 2 years at the same rate?

R borrowed Rs. 1,200 at 13% per annum simple interest. What amount will R pay to clear the debt after 5 years?

If PQ and PR be the two tangents to a circle with centre O such that ∠QPR = 120° then ∠POQ is