Mathematics · Speed, Time and Distance
What will be the length of train P when it is running at 75 km/h and crosses another train Q running in the opposite direction in 12 seconds? In order to answer this question, which of the statements (a) and (b) is/are sufficient? (a) Length of train Q is 220 m (b) Speed of train Q is 110 km/h
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only statement (b) is sufficient
- 2Neither statement (a) nor statement (b) is necessary
- 3Both statements (a) and (b) together are necessary✓
- 4Only statement (a) is sufficient
Correct answer
Both statements (a) and (b) together are necessary
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