Quantitative Aptitude - Arithmetic Ability Questions

The diagonal of a rhombus is 8m and 6m respectively. Find its area.

ΔPQR is right angled at Q. If cotP = 5/12, then what is the value of tanR ?

In an alloy, aluminium and tin are in the ratio of 4 : 5. In the second alloy, the ratio of same elements is 4 : 7. If equal quantities of these two alloys be mixed to form a new alloy, then what will be the ratio of both of these elements in the new alloy?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 9% per annum is Rs 405. The sum is ______ .

In a Kite _____.

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

If x2-3x+1=0, then x+1x is (x≠0)

If 3 dozen guavas cost Rs. 90, how many guavas can be bought for Rs. 240?