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A box contains beads of three colours. B...

A box contains beads of three colours. Black beads and white beads are in the ratio `3: 5 .` White and red are in the ratio `dot2: 3 .` What is the ratio of all three colours?

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Black beads: whitẹ beads `3: 5` =6: 10
White beads : Red:beáds =2: 3=10 , 15 Here, since the white bead indicates the .same number, ratio of the beads of three colours =6: 10: 15
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