Quantitative Aptitude - Arithmetic Ability Questions

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

A ladder 13 m long reaches a window which is 12 m above the ground on side of a street. Keeping its foot at the same point, the ladder is turned to the other side of the street to each a window 5m high, then the width of the street is :

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

What is the slope of the line 4x - 8y = 3?

2sin[(C+D)/2].cos[(C­-D)/2] is equal to

The amount (in Rs) received at 10% per annum compound interest after 3 yrs is Rs 1,19,790. What was the principal?

The diagonals of two squares are in the ratio 5:2.The ratio of their area is

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).