Question
Sarita and Julie start walking from the same place in the opposite directions. If Julie walks at a speed of 2$1/2$ km/hr and Sarita at a speed of 2 km/hr, in how much time will they be 18 km apart ?
Answer: Option D
Answer: (d)Using Rule 12,If both objects run in opposite direction then, Relative speed = Sum of speeds.If both objects run in the same direction then, Relative speed = Difference of Speeds.Time taken in meeting = $\text"Distance between them"/\text"Relative Speed"$
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Answer: (d)Using Rule 12,If both objects run in opposite direction then, Relative speed = Sum of speeds.If both objects run in the same direction then, Relative speed = Difference of Speeds.Time taken in meeting = $\text"Distance between them"/\text"Relative Speed"$
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