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A vehicle, moving with a speed of y km/hr, covers x km in z hours. Which of the following is correct in respect of the statement above?1. \(y \propto \frac{1}{z}\) (x is constant)2. y ∝ x (z is constant)3. z ∝ x (y is constant)4. y ∝ z (x is constant) |
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Answer» Correct Answer - Option 1 : \(y \propto \frac{1}{z}\) (x is constant) Given: Speed = y km/hr Distance = x km Time = z hours Formula Used: Speed = (Distance/Time) Calculation: y = x/z If distance is constant Then, Speed ∝ 1/Time So, x is constant ∴ y ∝ 1/z |
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