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The speed of a boat in a river is 20 km/...

The speed of a boat in a river is 20 km/h and the speed of another boat is 23 km/h. They travel in the same direction from the same place at the same time. The distance between the boats after three and half hours is

A

11.5 km

B

10 km

C

10.5 km

D

11 km

Text Solution

Verified by Experts

The correct Answer is:
C
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