Question

To cross the river from one bank to the other in shortest time, we should move at angles to the stream

a) parallel
b) 60 degree
c)Right angle
d) 30 degree
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Answer 1

To cross the river from one bank to the other in shortest time, we should move at angles to the stream

a) parallel

b) 60 degree

c)Right angle ✔✔

d) 30 degree

The right angle or 90° will be the correct answer.

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