Quantitative Aptitude - Arithmetic Ability Questions

The ratio of present ages of P and Q is 5 : 8. Three years later their ages will be in ratio 8 : 11. What is the present age (in years) of Q?

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

A student has to secure 40% marks to pass. He gets 67 and fails by 13 marks. What is the maximum marks?

Aditya got 78% marks in the examination. If he secured 663 marks, find the maximum marks.

If 17/3 + [3(2x - 5/3)]/2 = 1/6, then what is the value of x?

What is the area (in sq cm) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?

If (4x -­ 5) = (3x ­- 1), then the numerical value of (x + 4)2

The weights of two iron balls are 3.5 kg and 7.5 kg. What is the percentage weight of the 1st ball with respect to 2nd ball.