A:B = 2:3, B:C = 3:4, A:D = 4:5. Find C:D?
- 2:5
- 8:5
- 4:5
- None of these
Explanation
A/B = 2/3
B/C = 3/4
A/D = 4/5
We can start by finding the relationship between B and D:
B/A = 3/2 (inverse of A/B)
A/D = 4/5
Multiplying these two fractions, we get:
B/D = (3/2) × (4/5) = 12/10 = 6/5
Now, we can find C/D:
C/D = (C/B) × (B/D)
= (4/3) × (6/5)
= 8/5
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