Latest TCS Aptitude Question SOLUTION: 2 vehicles A and B leave for city Y from city X. A overtakes B at 10.30 am and reaches city X at 12.00 pm. It waits for 2 hours and returns to city Y. On its way it meets B at 3 pm

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2 vehicles A and B leave for city Y from city X. A overtakes B at 10.30 am and reaches city X at 12.00 pm. It waits for 2 hours and returns to city Y. On its way it meets B at 3 pm and reaches city at 5 pm. B reaches city X, waits for one hour and returns to city Y. After how many hours will B reach city Y from the time A overtook him for the first time?

Asked In TCS shikha panwar (9 years ago)

Unsolved Read Solution (8)

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Simbaa  (9 years ago)

Let total distance be 60m.
A covers that sixty metres in 3hrs such that 20m in 1hr.
when a overtakes b then they were half way means 30m and when they again meet then they were on 40m. such that b covers 10m in 4.30hrs and b have to cover 90m to reach city Y again.
so (4.5*9)+1hr(b waits for one hour)= 41.5hrs
41.5 hrs is the answer

Is this solution Helpfull? Yes (23) | No (2)  

ANKIT SHARMA  (9 years ago)

A start at 2 pm. A meet 3 pm to B . A reach at 5 pm total time taken is 3 hours hence after one hour A meet B i.e. it covers 1/3 distance in 1 hour .Therefore B complete (2/3)-(1/2)=1/6 distance in 4.5hours.Hence B 27hours to complete the distance from x to y .Hence time taken by B for 1/3 distance and 1 complete distance i.e.=4/3. Hence time to reach B at y is 9+1+27=37 hours from 3pm.
Hence after 37-2=35 hours is answer

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Priya  (9 years ago)

can you explain me how it is 40m when they meet again

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RAVI VERMA  (9 years ago)

41.5hrs
let total distance from x to y be 60km
then calculate a and b speed;
a=90/3;
b=10/3;
hence calculate the time=41.5hrs

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saketh  (9 years ago)

a's part is understandable,,,but how to proceed to b's part of the question,,,

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Swayoni Bandopadhyay  (9 years ago)

why 60 m is the distance?

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redtv  (9 years ago)

olkMT$647LIQ
A can do a piece of work in 10 days, while B can alone do it in 15 days. They work together for 5 days and the rest of the work is done by C in 2 days. If they get Rs.450 ... A train leaves station X at 5 am and reaches station Y at 9 am. Anoth

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vijaya  (9 years ago)

please give me the correct answer.

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