Quantitative Aptitude - Arithmetic Ability Questions

ΔDEF is right angled at E. If cosecD = 5/4, then what is the value of cosecF?

If x2 + ax + b, when divided by x - 4, leaves a remainder of 32 and x2 + bx +a, when divided by x - 4, leaves a remainder of 35, then a + b = ?

Find the value of  y(y4 - y2 - y) when y = 5.

If P : Q = 9 : 7, then what is the value of (P – Q) : (P + Q)?

In the following question, select the odd word pair from the given alternatives.

A boat is moving away from an observation tower. It makes an angle of depression of 60° with an observer's eye when at a distance of 50m from the tower. After 8 sec., the angle of depression becomes 30°. By assuming that it is running in still water, the approximate speed of the boat is

If 2(3x ­- 4) -­ 2 < 4x ­- 2 ≥ 2x -­ 4; then the value of x is

Calculate the difference between the square of the largest and smallest two-digit prime numbers.