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The ratio of two numbers is 1 : 3. If their difference is 144, then what is the smallest number?
  • a)
    24
  • b)
    128
  • c)
    48
  • d)
    72
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The ratio of two numbers is 1 : 3. If their difference is 144, then wh...
Let two numbers be x and 3x
Given,
Their difference = 144
⇒ 3x - x = 144
⇒ 2x = 144
⇒ x = 72
∴ The smallest one = x = 72
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The ratio of two numbers is 1 : 3. If their difference is 144, then what is the smallest number?a)24b)128c)48d)72Correct answer is option 'D'. Can you explain this answer?
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