Quantitative Aptitude - Arithmetic Ability Questions

A certain sum of money triples itself in 5 years at simple interest. In how many years it will be five times?

The marked price of a calculator is Rs 750. It is sold at a discount of 22%. If the cost price of the calculator is Rs 500, then what is the profit (in Rs)?

Before a battle there were the ratio of captains to soldiers was 2 : 7. During the war 25 captains and 100 soldiers were martyred. The new ratio of captains to soldiers became 3 : 10. What is the number of soldiers after the war?

When a number is increased by 32, it becomes 116% of itself. What is the number?

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

Three categories of employees get wages in the ratio of 1 : 2 : 3. If they get increments of 5%, 10% and 15% respectively, what will be the new ratio of their wages?

Direction: What should come in the place of question mark (?) in the following number series? 24, 25, ?, 41, -8, 73

A can paint a house in 25 days and B can do it in 10 days. Along with C, they did the job in 6.25 days only. Then in how many days, C alone can do the job?