Quantitative Aptitude - Arithmetic Ability Questions

A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?

Select the odd letters from the given alternatives.

If p = 99, then the value of p(p2+3p+3) will be

What is the area (in sq cm) of a rectangle if its diagonal is 51 cm and one of its sides is 24 cm?

2*[­0.3(1.3 + 3.7)] of 0.8 = ?

If 5x ­- 3(4 ­ x) < 4x -­ 4 < 4x + 2x/3; then the value of x is

Select the odd word/letters/number/number pair from the given alternatives.