Quantitative Aptitude - Arithmetic Ability Questions

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

Marked price of an item is Rs 900. On purchase of 2 items discount is 16%, on purchase of 5 items discount is 44%. Raksha buys 7 items, what is the effective discount?

Find the Greatest Common Factor of 280 and 144.

If 192 pens cost is Rs.10, how many pens can be bought for Rs.5?

Rs. x invested at 8% simple interest per annum for 5 years yields the same interest as that on Rs. y invested at 7.5% simple interest per annum for 6years. Find x : y.

Two fractions are such that their product is ­4 and sum is ­32/15. Find the two fractions.

In the following question, select the odd letter pair from the given alternatives.

What is the value of cot 11π/6?