Quantitative Aptitude - Arithmetic Ability Questions

The difference between compound interest and simple interest on a sum for 2 year at 20% per annum is Rs 200. If the interest is compounded half yearly, then what is the difference (in Rs) between compound and simple interest for 1st year?

If a person bought an item for Rs. 60 and sold it at a profit of 25%, the selling price of the item would be

The area of a rhombus having one side 10 cm and one diagonal 12 cm is

What will be the net discount (in percentage) for two successive discounts of 30% and 20%?

In ∆ABCif the median AD=1/2 BC, then ∠BAC is

Veer spends 15% of his monthly income on the house rent and 60% of the rest on household expenditure. If he saves Rs. 2210, what is his monthly income?

In a committee there are 25 members. If two members whose ages are 64 years and 40 years are replaced by the two new members, then average age of 25 members is decreased by 2 years. What is the average age (in years) of the new members?

A certain sum of money becomes 4 times of itself in 30 years at a rate of simple interest. In how many years it will become double of itself at the same rate of simple interest?