A bike wheel 28 inches in diameter covers how many feet in 6 complete turns?

Riddle: A bike wheel 28 inches in diameter covers how many feet in 6 complete turns?

Show answer

44 feet.

The distance covered is the wheel circumference multiplied by the number of complete turns.

The circumference of the wheel is pi multiplied by the diameter = 22/7 * 28 = 22 * 4 = 88 inches.

So each turn covers 88 inches, which means 6 turns covers 88 * 6 = 528 inches, i.e. 528 / 12 = 44 feet.