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A harbour lies in a direction 60^@ south...

A harbour lies in a direction `60^@` south - west from a fort and at a distance 30 km from it .A ship sets from the habour at noon and sails due east at 10 km / hour .The ship will be 70 km from the fort at

A

7 P.M.

B

8 P.M.

C

5 P.M.

D

10 P.M.

Text Solution

Verified by Experts

The correct Answer is:
B
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