Arithmetichard · Past Paper

If 10% of A = 20% of B = 30% of C, find A:B:C.

A1:2:3
B3:2:1
C6:3:2
D2:3:6

✓ Correct Answer: C6:3:2

0.1A = 0.2B = 0.3C. Divide by 0.6: A/6 = B/3 = C/2. Ratio 6:3:2.

Share this question

More from Arithmetic