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X+y=5 ; x^3+y^3=35 ; x^2+y^2 = |
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Answer» Step-by-step explanation: 4 hours = 4 x 60 mins = 240 mins Ratio : = 40 mins : 4 hrs = 40 mins : 240 mins = 4 : 24 = 1 : 6 Therefore, the required ratio is 1:6. |
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