Quantitative Aptitude - Arithmetic Ability Questions

If the ratio of cost price and selling price be 10:11, then the profit percentage 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?

What is the area (in sq cm) of a rhombus if the lengths of its diagonals are 25 cm and 20 cm?

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

What least value which should be added to 1812 to make it divisible by 7, 11 and 14?

Four pairs of words are given. Find the odd one out.

What is the measure of an interior angle of a regular Octagon?