Quantitative Aptitude - Arithmetic Ability Questions

If 1 dupatta is offered free on purchase of 4 dupattas priced Rs 1300 each what is the effective discount on each dupatta?

The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school students who are not scholarship holders is

Coefficient of x in (x + 8)(6 -­ 3x) is

If 2cos2A - 1 = x, then the value of x is

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and DE are 9 cm, 6 cm and 5.4 cm respectively find length of BC?

If √(1 + cot2A) = x, then the value of x is

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

The diagonals of two squares are in the ratio 5:2.The ratio of their area is