Quantitative Aptitude - Arithmetic Ability Questions

If a - b = 4 and ab = -3, then what is the value of a3- b3?

Slope of the line AB is -4/3. Co-ordinates of points A and B are (x, -5) and (-5, 3) respectively. What is the value of x?

Find the odd word/letters/number from the given alternatives.

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

If a - b = 1 and ab = 6, then what is the value of a3- b3?

The income of S, T and U are in the ratio of 7 : 9 : 6 and their expenses in the ratio of 4 : 5 : 3. If S saves Rs 2000 out of an income of Rs 14000, then what will be the saving (in Rs) of T?

If (cotA - cosecA)2 = x, then the value of x is

In ΔDEF measure of angle E is 90°. If cosD = 8/17, and DE = 16cm, then what is the length (in cm) of side DF?