Mathematics · Speed, Time and Distance
Runner A can run 100 metres in 10 seconds, while Runner B runs the same distance in 12 seconds. In a 300-metre race, A gives B a head start of 20 metres and delays his own start by 3 seconds. If both runners maintain constant speeds, how much time will B take from the moment B starts running until the moment A finishes the race?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 minutes 9 seconds
- 21 minute 9 seconds✓
- 31 minute 19 seconds
- 42 minutes 19 seconds
Correct answer
1 minute 9 seconds
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