Join ExamsbookAnswer : 2. "160 km/h"
Two trains A and B start simultaneously in the opposite direction from two points P and Q and arrive at their destinations 16 and 9 hours respectively after their meeting each other. At what speed does the second train B travel if the first train travels at 120 km/h5
Q: Two trains A and B start simultaneously in the opposite direction from two points P and Q and arrive at their destinations 16 and 9 hours respectively after their meeting each other. At what speed does the second train B travel if the first train travels at 120 km/h
- 190 km/hfalse
- 2160 km/htrue
- 367.5 km/hfalse
- 4None of thesefalse
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Answer : 2. "160 km/h"
Explanation :
Answer: B) 160 km/h Explanation: s1s2=t2t1 ⇒120s2=916=34 ⇒s2=160km/h
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