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A photograph measuring 5.5 cm by 9 cm is enlarged in the ratio of 7:5. What is the new length and width of the picture?

A photograph measuring 5.5 cm by 9 cm is enlarged in the ratio of 7:5. What is the new length and width of the picture?

  • (A) 7.8 cm by 12.5 cm
  • (B) 7.7 cm by 12.6 cm
  • (C) 7.8 cm by 12.7 cm
  • (D) 7.9 cm by 12.9 cm
  • Solution: The enlargement ratio is 7 : 5
  • So, each dimension is multiplied by 7/5.
  • Original size:
  • Length = 9 cm
  • Width = 5.5 cm
  • New dimensions: Length = ( 9 × 7/5 = 12.6 ) cm
  • Width = ( 5.5 × 7/5 = 7.7 ) cm
  • Answer: (B) 7.7 cm by 12.6 cm
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 ‘NATO’ is an abbreviation of:

March 18, 2026 No Comments
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