Answer :

Let the two quantities be 3x and 5x

i). If the smaller alone is made four times the original


Smaller quantity = 3x


4 × 3x = 12x


New ratio


New ratio is 12: 5


ii). If the smaller is doubled and the larger is halved


Smaller quantity = 3x and larger quantity = 5x





New ratio is 12: 5


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