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A B C and D share in 2:4:1:3. A dies and B C D take his share in 1:1:2. What will be the new ratio?

Answer and explanation

Correct answer: 9:3:8

Direct answer: Option A, 9:3:8. The total old ratio is 2+4+1+3=10. A’s share is 2/10. This share is taken by B, C and D in 1:1:2, whose total is 4. B receives (2/10)×(1/4)=1/20; C also receives 1/20; D receives (2/10)×(2/4)=1/10. B’s new share is 4/10+1/20=8/20+1/20=9/20. C’s new share is 1/10+1/20=2/20+1/20=3/20. D’s new share is 3/10+1/10=6/20+2/20=8/20. Thus the ratio is 9:3:8. Option A is correct. Option B, 4:1:3, is only the old ratio of B, C and D. Option C, 1:1:2, is their receiving ratio, not the final ratio. Option D, 8:2:6, is an incorrect scaling and totals only 16 units rather than 20. Check that 9+3+8=20.

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