एक नाव की गति, धारा के साथ 12 किमी/घंटा ...

एक नाव की गति, धारा के साथ 12 किमी/घंटा तथा धारा के विरुद्ध 8 किमी/घंटा है। तदनुसार उस धारा की गति कितने किमी/घंटा है ?

A

5

B

4

C

3

D

2

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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