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Q: Find the ratio of 3 days with 30 hours
  • A. 7 : 6
  • B. 12 : 5
  • C. 6 : 7
  • D. 5 : 12
Correct Answer: Option B - ∵ One day = 24 hours ∴ 3 days = 24 × 3 = 72 hours Required ratio = 72 : 30 = 12 : 5
B. ∵ One day = 24 hours ∴ 3 days = 24 × 3 = 72 hours Required ratio = 72 : 30 = 12 : 5

Explanations:

∵ One day = 24 hours ∴ 3 days = 24 × 3 = 72 hours Required ratio = 72 : 30 = 12 : 5