Quantitative Aptitude - Arithmetic Ability Questions

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area(in cm2) of the triangle?

What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?

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

The first and last terms of an arithmetic progression are 37 and ­18. If the sum of the series is 114, then it has how many terms?

The sum of a non-zero number and 4 times its reciprocal is 17/2. What is the number?

What is the value of sec 330°?

If  tan2A / (secA -­ 1)2 = x, then the value of x is

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