Correct option is D
Given:
Speed of A = 3 km/h
Speed of B = 4 km/h
Time = 6h
Formula used:
Distance = Speed × Time
Solution:
Distance traveled by A = 3 × 6 = 18 km
Distance traveled by B = 4 × 6 = 24 km
According to the question, after 6 hours
Difference between them = 24 - 18 = 6 km
∴ The distance between them after 6 h will be 6 km.
Alternate Method:
Relative Speed (in same direction) = (4-3) km/h = 1km/h
Distance travelled =
Hence, option (d) is correct answer.