Quantitative Aptitude - Arithmetic Ability Questions

Giving two successive discounts of 20% is same as giving one discount of ________ %.

The area of a rectangle in 60 sq.cm and its perimeter is 34 cm, then the length of the diagonal is

What is the third proportional to 9 and 45?

In ΔABC measure of angle B is 900. If cotA = 8/15, and AB = 0.8cm, then what is the length (in cm) of side BC?

What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value.)

21.003 × 39.998 –209.91 = 126× ?

Two numbers whose sum is 84 can not be in the ratio

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

If selling price of 39 articles is equal to the cost price of 42 articles, then what will be the profit percentage?