Quantitative Aptitude - Arithmetic Ability Questions

Find length of the arc whose central angle is 90° and radius of the circle is 3.5 cm?

A sum of Rs 20000 becomes Rs 32000 in 12 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?

sin(A+B) -­ sin(A-­B) is equal to

Find out the odd word/letters/number/number pair from the given alternatives.

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

If A : B = 3 : 5, then what is the value of A + B : B?

Find out the odd word/letters/number/number pair from the given alternatives.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.