A patient was given a bottle of tablets by the doctor and he was asked to take five tablets in a gap of 20 minutes. In how much time will he be able to take all the five tablets? Choose one:
A) 1 hour 10 min  B) 1 hour  C) 1 hour 20 min  D) None  E) Cannot be determined
Suppose he takes the first tablet at 8:00 pm. Then the second will be consumed by him at 8:20, third at 8:40, fourth at 9:00 and fifth at 9:20.   Time = 1 hour 20 min   Answer 1 hour 20 min
<result>C</result>
A patient was given a bottle of tablets by the doctor and he was asked to take five tablets in a gap of 20 minutes. In how much time will he be able to take all the five tablets?