Arithmetichard · Past Paper
If $A:B = 1/2 : 3/8$, $B:C = 1/3 : 5/9$ and $C:D = 5/6 : 3/4$, then $A:B:C:D$ is:
A6:4:8:10
B8:6:10:9
C4:6:8:10
D6:8:10:9
✓ Correct Answer: B — 8:6:10:9
A:B = 4:3. B:C = 3:5. C:D = 10:9. A:B:C = 4:3:5 = 8:6:10. So A:B:C:D = 8:6:10:9.
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