A truck driver must complete a 180-mile trip in 4 hours. If he averages 50 miles an hour for the first three hours of his trip, how fast must he travel in the final hour?

If it takes 50 workers 4 hours to dig a hole, how long should it take 30 workers to dig the same hole?

The angles of a triangle are in the ratio of 2 : 3 : 4. The largest angle in the triangle is :

For every novel in the school library there are two science books, for each science book there are seven econo...

A company makes a profit of 6% on its first Tk. 1,000 of sales each day and Tk. 55 per thousand on all sales i...

If 40% of all women are voters and 52% of the population are women, what percent of the population are women v...

If 15 men working independently and at the same rate can manufacture 27 baskets in an hour, how many baskets w...