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If 12, 21, 72, 126 are in proportion, then:
  • a)
    12 × 21 = 72 × 126
  • b)
    12 × 72 = 21 × 126
  • c)
    12 × 126 = 21 × 72
  • d)
    None of these
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
If 12, 21, 72, 126 are in proportion, then:a)12 × 21 = 72 ×...
If 12, 21, 72, 126 are in proportion, then:

a) 12/21 = 72/126

To verify if this is true, we can simplify both fractions:

12/21 = 4/7

72/126 = 4/7

Since both fractions simplify to the same value, we can conclude that 12, 21, 72, 126 are in proportion.
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If 12, 21, 72, 126 are in proportion, then:a)12 × 21 = 72 ×...
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If 12, 21, 72, 126 are in proportion, then:a)12 × 21 = 72 × 126b)12 × 72 = 21 × 126c)12 × 126 = 21 × 72d)None of theseCorrect answer is option 'C'. Can you explain this answer?
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