Quantitative Aptitude - Arithmetic Ability Questions

If a -­ b = 6 and ab =16, then a3 -­ b3 is

In the following question, select the odd letters from the given alternatives.

A 1.6 m tall observer is 45 meters away from a tower. The angle of elevation from his eye to the top of the tower is 30°, then the height of the tower in meters is

If Cot θ = 24/7, then Sin θ = ?

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

The value of the expression 2(sin6θ+cos6θ) - 3(sin4θ+cos4θ) + 1 is

Between 200 and 400 how many numbers are divisible by 7?

The average marks of 45 students is shown as 65. It includes a wrong entry of 84 marks instead of 48 marks. The correct average is: