Quantitative Aptitude - Arithmetic Ability Questions

If 1aa2+1 = 3, then the value of a6+1a3 is

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

Rohit buys a ball for Rs 450 and sells it. Rohit gives two successive discount of 20% and 5% to the customer. What will be the selling price (in Rs) of the ball?

Area of _____ equals half the product of its diagonal.

What is the simplified value of (cosec A – sin A)(sec A – cos A)(tan A + cot A)?

What is the value of sin 5π/3?

What is the compound interest on Rs. 48,000 for 2 years at 20% p.a., if interest is compounded annually?

Average of the height of 251 students of a school is 48. If the average of the height of the boys is 51 and the average of the height of the girls is 29, then what will be the ratio of the total height of boys and the total height of girls respectively?