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Jack & Jill went to the hill....In going to hill (upword
Direction)...Jack went to the hill first nd waited for Jill
for "x" hours.. Jack's speed was then twice of Jill..
In the down word direction Jill can go 3km in a hour, while
Jack can go 1km in 1 hour..
Jill reach the ground 1st nd waited for Jack for "x"
hours..
Total journey they traveled is 6 km..
Find the speed of Jack...
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Answer Posted / sudheer
first consider downwards: jill comes in 1hr and jack in 3hr. so x is 2hr.
now upwards:let speed of jack be '2p' then speed of jill is 'p'.
now (3/p)-(3/2p)=2 and hence jack speed is 2p= 1.5km/hr.
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