Quantitative Aptitude - Arithmetic Ability Questions

At what rate of compound interest per annum will a sum of Rs 50000 become Rs 73205 in 2 years?

Ramesh sold a phone at a loss of 5%. Had he sold it for Rs. 200 more, he would gave gained 15%. To gain 25%, he should sell it for

Select the related number from the given alternatives.
0.02 : 0.002 :: 1/3 : ?

A bus runs at 50 kmph. If the speed is increased by 10 kmph, it will cover 20 km more in the same time. Find the actual distance covered?

What is the unit digit of the sum of first 111 whole numbers?

A thief is stopped by a policeman from a distance of 250 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 5 km/h and that of police man as 7 km/h, how far the thief would have run, before he is over ­taken?

A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is

A number is decreased by 10% and the resulting number is again decreased by 20%. What is the final percentage of decrease?