A man travels 100 miles at 20 miles per hour, 60 miles at 30 miles per hour and 80 miles at 10 miles per hour, what is his average rate for the three trips?

What is the area of a circle with a radius of 7 meters?

How much would I have to pay for a book which cost Rs. 72 to produce, if the printing company sold it to a boo...

A sum of 24 is divided into two parts so that seven times the first part added to five times the second part m...

A sum of Rs. 1500.00 was put in two companies, one paid 6% simple interest and the other 5%. The whole annual...

How many signals can be given by 5 flags of different colours using 3 flags at a time.

Seats for Mathematics, Physics and Biology in a university are in the ratio 5: 7: 8, There is a proposal to in...