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A starts 3mins after B for a place 4.5km distant B, on reaching his destination, immediately returns and after walking a km meets A.A can walk 1km in 18 mins.what is the speed of B?
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- The answer is 5kmph. This Question has full of walking. A traveled for 3.5 kilometers in 66 minutes (3.5X18=63=>because of the delay=>63+3=66)but B traveled 5.5 km therefore 66/5.5=12mins. i.e. B takes 12 mins to walk a km. so his walking speed is 60/12 = 5kmph
- 12 years agoHelpfull: Yes(5) No(0)
- let b travel t time
t=(4.5+1)/x.........(1)
for a
t-3=(4.5-1)/1.....(2)
on solving
3=(5.5/x)-3.5
3x=5.5-3.5x
6.5x=5.5
x=5.5/6.5=55/65 m/min ans
- 12 years agoHelpfull: Yes(3) No(3)
- ans is 5km/hr..
- 12 years agoHelpfull: Yes(2) No(0)
- i think the pattern has again changed for month of oct. so frnds pls help ,solve the ques and upload the answers.
- 12 years agoHelpfull: Yes(0) No(2)
- answer is 4.85 km
- 12 years agoHelpfull: Yes(0) No(3)
- thank u so much admin....pls solve each and every prob.....its urgent....
- 12 years agoHelpfull: Yes(0) No(0)
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