Question

‘E’ and ‘F’ are going from place ‘R’ to

Q: Answer-‘E’ and ‘F’ are going from place ‘R’ to place ‘S’, which is 900 km apart. If ‘E’ started 2.5 hours a...

ATQ, ATQ, Let the speed of E be z kmhr Therefore, speed of F z 10 kmhr According to the question, Since speed cannot be negative therefore, z 60 Therefore, speed of F z - 10 50 kmhr

place ‘S’, which is 900 km apart. If ‘E’ started 2.5 hours after ‘F’ but both of them reached ‘S’ at the same time, then find the speed of ‘F’. The difference between their speeds is 10 km/hr.

A 55 km/hr

B 60 km/hr

C 65 km/hr

D 75 km/hr

E None of these

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