How many days are there in x weeks x days ?

A man covers a distance on scooter. Had he moved 3kmph faster he would have taken 40 min less. If he had moved 2kmph slo…

An error 2% in excess is made while measuring the side of a square. What is the percentage of error in the calculated ar…

Kamal started a business with Rs.25000 and after 4 months, Kiran joined him with Rs.60000. Kamal received Rs.58000 inclu…

The avergae of weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg.Wh…

Avinash covers a distance of 8km in 50 minutes. If he covers 3km distance in 2/5th of time then, What speed should he ma…

A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to 8 times?

If the difference between the length and breadth of a rectangle is 23 m and its perimeter is 206 m, what is its area?