Sita, Sheela and Priya start from the same place and travel in the same direction at speeds of $30, 40$ and $60$ km per hour respectively. Sheela starts two hours after Sita. If Sheela and Priya overtake Sita at the same instant, how many hours after Sita did Priya start?

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Solution

The correct option is D $4$
The speeds are in HP. Since Sita, Sheela, Priya are starting from a same point and meeting at a same point, they are traveling equal distances.
Hence, time taken will be in AP.
So, Priya will start $2$ hours after Sheela or $4$ hours after Sita.

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Sita, Sheela and Priya start from the same place and travel in the same direction at speeds of 30,40 and 60 km per hour respectively. Sheela starts two hours after Sita. If Sheela and Priya overtake Sita at the same instant, how many hours after Sita did Priya start?

The correct option is D 4The speeds are in HP. Since Sita, Sheela, Priya are starting from a same point and meeting at a same point, they are traveling equal distances. Hence, time taken will be in AP.So, Priya will start 2 hours after Sheela or 4 hours after Sita.

Sita, Sheela and Priya start from the same place and travel in the same direction at speeds of $30, 40$ and $60$ km per hour respectively. Sheela starts two hours after Sita. If Sheela and Priya overtake Sita at the same instant, how many hours after Sita did Priya start?

The correct option is D $4$
The speeds are in HP. Since Sita, Sheela, Priya are starting from a same point and meeting at a same point, they are traveling equal distances.
Hence, time taken will be in AP.
So, Priya will start $2$ hours after Sheela or $4$ hours after Sita.