Mathematics · Direct and Inverse Proportions
A's marks in Mathematics are directly proportional to practice time. In 6 hours of practice, A gets 70 marks. What should be the practice time (approximately) to get 90 marks?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 17.7 hours✓
- 27 hours
- 38.3 hours
- 48 hours
Correct answer
7.7 hours
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