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Rakshak solves problems in maths for 4/7 if an hour.He studies marathi for 5/9 an hour. Does he spend the same amount of time for both the subjects? |
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Answer» NoStep-by-step explanation: Given,TIME spent by Rakshak for Maths =4/7 of an hrTime spent by Rakshak for Marathi=5/9 of an hour1st METHOD We can check which FRACTION is greater 4/7 can be re written as 4×9/7×9 (Multiplying both numerator and denominator with 9) =36/635/9 can be re written as 5x7/9×7 (Multiplying both numerator and denominator with 7) =35/63Here, 36/63>35/63Therefore 4/7>5/9Hence,He SPENDS more time for maths2nd method1 hour= 60 minutesTime Rakshak spent for maths=4/7 of 60 minutes =4/7×60 =240/7 =34.286 minutes Time Rakshak spent for marathi=5/9 of 60 minutes =5/9×60 =300/9 =33.333 minutes Here,34.286>33.333Hence,He spends more time for maths.So,he is not spending the same amount of time for both the subjects. |
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