GRE Question of the Day (January 18th)

Math

A frog is climbing a greasy pole. The frog can climb 2 centimeters every half-hour and it takes a break to rest for half an hour after every 2 hours, during which it slips by 1 centimeter. How much time it will take to climb a 28-centimeter pole? A) 7.5 hours B) 8.5 hours C) 9.25 hours D) 9.75 hours E) 10 hours   Correct Answer - C  - (click and drag your mouse to see the answer) Question Discussion & Explanation