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If a : b = 3 : 4 and b : c = 4 : 5, then a : c is:

Class 8Ratios and ProportionsComparing Quantities
  • A3 : 5
  • B3 : 4
  • C4 : 5
  • D5 : 3

Step-by-Step Solution

Since the common term b matches (4 = 4), combine directly: a : b : c = 3 : 4 : 5, so a : c = 3 : 5.
Answer: A) 3 : 5

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