Quantitative Aptitude - Arithmetic Ability Questions

If Cot θ = 21/20, then what is the value of Cosec θ?

How many numbers are there from 300 to 700 which are divisible by 2, 3 and 7?

If the standard deviation of a population is 6.5, what would be the population variance?

If a.sin 45°.cos 45°.tan60° = tan 245° ­ cos60° then find the value of a ?

10 is added to a certain number, the sum is multiplied by 7, the product is divided by 5 and 5 is subtracted from the quotient. The remainder left is half of 88. What is the number?

If 5x - ­5(3x ­- 2) < 4x -­ 1 < 2 + 2x, then x can take which of the following values?

If 2 + 4x < 5 - x/2 and 3x + 3 > -5 - 3x; then x can take which of the following values?

An inverted conical shaped vessel is filled with water to its brim. The height of the vessel is 8 cm and radius of the open end is 5 cm . When a few solid spherical metallic balls each of radius 1⁄2 cm are dropped in the vessel , 25% water is overflowed. The number of balls is: