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ব্যাখ্যা ও সঠিক সমাধান
উত্তর:
7 to 5
Q. If Salam makes a box every 5 minutes and Kalam takes 7 minutes to make a box, what will be the ratio of the number of boxes produced by Salam to the number of boxes produced by Kalam if they work 5 hours and 50 minutes?5 hrs and 50 mins = 350 mins∴ Salam can produce in 350 mins = 350/5 = 70 boxesand Kalam can produce in 350 mins = 350/7 = 50 boxes∴ Salam : Kalam = 70 : 50 = 7 : 5 (Ans:)