Multiple choice

A river is flowing with a speed of $1\ km/hr$. A swimmer wants to go to point $'C'$ starting from $'A'$. He swims with a speed of $5\ m/hr$, at an angle $\theta$, w.r.t the river. If $AB=BC=400\ m$, then ?

  1. the value of $\theta$ is $53^{o}$
  2. time takes by the man is $6\ min$
  3. time takes by the man is $8\ min$
  4. the value of $\theta$ is $45^{o}$
Reveal answer Fill a bubble to check yourself
B Correct answer

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