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The sum of 2 numbers is 120, and their ratio is 2:3. Find the numbers. - Mathematics

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Question

The sum of 2 numbers is 120, and their ratio is 2:3. Find the numbers.

Options

  • (40, 80)

  • (50, 70)

  • (36, 84)

  • (48, 72)

MCQ
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Solution

(48, 72)

Explanation:

Let the numbers be 2x and 3x,

2x + 3x = 120

5x = 120

x = `120/5`

∴ x = 24

Hence, the numbers are:

2x = 2(24) = 48,

3x = 3(24) = 72

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Chapter 5: Simultaneous Linear Equations - MULTIPLE CHOICE QUESTIONS [Page 61]

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B Nirmala Shastry Mathematics [English] Class 9 ICSE
Chapter 5 Simultaneous Linear Equations
MULTIPLE CHOICE QUESTIONS | Q 12. | Page 61
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