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A 60-litre tank was full of oil. Sam used 40% of it and poured therest into a 40-litre tank.(1) What per cent of the 40-litre tank was filled with oil? |
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Answer» Capacity of 1stTank =60 litres.Amount of oil used by Sam=40% of 60 litres. =(40/100)*60 litres. =24 litres. Amount of oil left = (60 - 24) litres = 36 litres. Amount of oil that was left, was poured in 2ndtank with capacity 40 litres.Now,Percentage ofoil in 2nd tank=(36/40)*100 %= 90 %. |
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