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The velocity $V$ of a vehicle along a straight line is measured in $m/s$ and plotted as shown with respect to time in seconds. At the end of the $7$ seconds, how much will the odometer reading increase by (in m)?

  1. $0$
  2. $3$
  3. $4$
  4. $5$
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Odometer is a device used to measure distance traveled by an object.
Area under Velocity-Time graph represents the distance traveled.

So, answer $= 0.5+1+1.5+1+0.5+0.5= 5 m.$

Correct Answer: $D$
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