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A monkey climbs a 52 – m smooth pole. It climbs 6 m up in one
minute and slips
2 m down in every alternate minute. How long will it take to
reach the top of the pole?
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Answer Posted / deepesh
IN 1st min it climbs-6m, and in 2nd min it slips-2ms
bcoz it slip in alternate minute 2 m not i min so it clim in
one min 6 min and again 2min it climb 6min then total 12 m
and 2m slip then overall it climb in 2 min =12m-2m =10m
i.e = 1 min- 6m =6m
2 min- (6m-2m)=4m
.'. in every 2min it can climb= 10m (6m+4m)
3 min- 6m (10m+6m) =16m
4 min- 4m (16m+4m) =20m
5 min- 6m (20m+6m) =26m
6 min- 4m (26m+4m) =30m
7 min- 6m (30m+6m) =36m
8 min- 4m (36m+4m) =40m
9 min- 6m (40m+6m) =46m
10 min- 6m (46m+6m) =52m
and in last min there is no chance to slip
So the ans is = 10min
| Is This Answer Correct ? | 1 Yes | 6 No |
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