Travelling at 45 kms/hr a train covers a certain distance in 1 hr 10 mins. At what speed should the train travel to cover the same distance in 50 mins.
Correct!
Wrong!
-
If a person's salary is increased by 10%, 12% and 10% at the end of every 4 months in a year. Find the effective increase in his salary at the end of the year.
