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in a circular track of length 100 m 3 persons A,B,C start together in same direction@ 10m/s, 8m/s while C travels in opposite direction with 15m/s. when all meet after first time?
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- A & B meet in 100/(10-8)=50 sec.
A & C meet in 100/(10+15)=4 sec.
A,B,C together meet 1st time in LCM(50,4)=100 sec
A,B,C together meet 2nd time in 200 sec - 9 years agoHelpfull: Yes(13) No(1)
- but the answer given was 100 seconds
- 9 years agoHelpfull: Yes(1) No(0)
- Difference in speed of A and B is 2 m/s. So A and B will meet after every 50 sec.
But C travel 750m in 50 sec. So in next 50 Sec A, B and C will meet.
- 9 years agoHelpfull: Yes(0) No(0)
- They meet 1st time in 100 sec.
I am confused because in que "after 1st time" - 9 years agoHelpfull: Yes(0) No(1)
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