The flour in a bag is divided into three portions in the ratio of 2:5:7. If the smallest portion weight 40 kg ,how much heavier is the largest portion than the smallest portion?
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7/2 times is heavier than smallest portion
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since 2 ratio = 40
so 1 ratio = 40/2=20
so 7 ratio = 7×20 =140
so largest potion is 100 kg heavier than smaller portion.
so 1 ratio = 40/2=20
so 7 ratio = 7×20 =140
so largest potion is 100 kg heavier than smaller portion.
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