Question

8. It takes 4 hours to go from Mumbai to Pune at an average speed of 60 km/h. How long will it take
for a person to cover this distance at an average speed of 75 km/h?​

Answer 1

Ans=3hrs 12min

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Answer 2

$i)Given \: Average \:speed \:from \: Mumbai$

$to \: Pune (s_{1}) = 60\: km/h$

$Time (t_{1}) = 4 \: hours$

/* We know that */

$\boxed{\pink{ Distance = Speed \times Time }}$

$Distance (d) = 60 \: km/h \times 4 \:hours$

$= 240 \: km \: ---(1)$

$ii) If \: average\: speed (s_{2}) = 75 \:km/h$

$Distance (d) = 240 \:km$

$Time (t_{2}) = \frac{d}{s}$

$= \frac{240}{75}$

$= \frac{16}{5} \: hours$

$= 3.2 \: hours$

Therefore.,

$\green { The \: person \:cover \: the}$

$\green {distance\: of \: 240 \:km \:in \: 3.2\:hr}$

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