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?

If A is 6 times more than B, then by what percentage is B is less than A?

What is the value of 10.2+10.02+10.002+... upto 9 terms

A train moves at the speed of 40 m/s and crosses a bridge of length 550 metres in 25 seconds. What is the length (in metres) of the train?

Cost price of a calculator is Rs 495. If the profit percentage is 40%, then what is the value (in Rs) of profit?

To cover a distance of 225 km in 2.5 hours what should be the average speed of the car in meters/second?

The sum of all prime numbers between 58 and 68 is

The sum of the digits of a 2-digit number is 11. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?