The least count of a stop watch is 1/5 sec. The time of 20 oscillations of a pendulum is measured to be 25 sec. The maximum percentage error in this measurement is

The least count of a stop watch is 1/5 sec. The time of 20 oscillation

1.	The least count of a stop watch is 1/5 sec. The time of 20 oscillations of a pendulum is measured to be 25 sec. The maximum percentage error in this measurement is
Answer» `8%` `1%` `0.8%` `16%` ANSWER :C