Arithmeticmedium · Past Paper
If $A:B = 1:2, B:C = 3:4$ and $C:D = 5:6$, find $A:D$.
A5:16
B1:4
C15:48
D5:12
✓ Correct Answer: A — 5:16
A/D = (A/B) * (B/C) * (C/D) = (1/2) * (3/4) * (5/6) = 15/48 = 5/16.
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