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 / 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.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / guest
Total Journey is 6km, so 3km upwords and 3km Downwords.
Getting Down:
Jill speed is 3kmph. So, he takes an Hour to get down.
Jack speed is 1kmph. So, he takes 3 hours to get down.
So x=2 hrs.
Climbing the hill:
Jack waiting time is x ie, 2 hrs.
So Jack went to top of the hill in 3hrs and Jill in 1hr.
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / imthiyazs
TO DOWNWARDS:
JACK SPEED IS
1KM=6*1=6 H HE
TAKES TO GET DOWN
JILL SPEED IS
3KM=6/3=2 H
THEREFORE JACK
WAITING 4 H.I.E.X=4
TO UPWARDS:
JACK=V
JIL=2V
COMPARE JIL IS
WAITING 4H FOR
JACK
4 H
| Is This Answer Correct ? | 0 Yes | 3 No |
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