The speed of a boat is 10km per hour(kph) and the speed of the river current is 5 kph. The boat traveled 5 hours in favour of the current and then returned to the stating point. What was the time to return ?

How many 1-inch square tiles would it take cover the floor of a closet that has dimensions 5 feet by 4 feet ?

2^30+2^30+2^30+2^30= ?

What must be added to 1/x for making it equal to x ?

If the difference between the circumference and diameter of a circle is 60 cm, then the radius of the circle i...

If the perimeter of a rectangular flower bed is 30 feet, and its area is 44 square feet, What is the length of...

Maxwell Company's return on equity was 18% and the financial leverage percentage was 13% (positive). Return on...