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From height of 8 mts a ball fell down and each time it bounces half the distance back. What will be the distance travelled?

Read Solution (Total 2)

24 meters

Explanation: 8+4+4+2+2+1+1+0.5+0.5+0.25+0.25+0.125+0.125+......= 24 mts
12 years agoHelpfull: Yes(4) No(1)

8 + 4 + 2 + 1 + ..... = 8/(1-0.5) = 8/0.5 = 16 metres
12 years agoHelpfull: Yes(0) No(4)

Wipro Other Question

If a man walks at the rate of 5kmph, he misses a train by only 7min. However if he walks at the rate of 6 kmph he reaches the station 5 minutes before the arrival of the train. Find the distance covered by him to reach the station. Two trains 200mts and 150mts are running on the parallel rails at this rate of 40km/hr and 45km/hr.In how much time will they cross each other if they are running in the same direction.