हिंदी

The ratio between the present ages of Madan and Kamal is 8 : 5 respectively. After eight years Madan's age will be 40 years. What was Kamal's age 6 years ago?

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प्रश्न

The ratio between the present ages of Madan and Kamal is 8 : 5 respectively. After eight years Madan's age will be 40 years. What was Kamal's age 6 years ago?

विकल्प

  • 14 years

  • 16 years

  • 12 years

  • 20 years

MCQ
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उत्तर

14 years

Explanation:

Let the present ages of Madan and Kamal be 8x and 5x years respectively.

After 8 years,

8x + 8 = 40

⇒ 8x = 40 − 8 = 32

∴ x = `32/8` = 4

∴ Kamal's age 6 years ago = 5x − 6

= 5 × 4 − 6

= 14 years

shaalaa.com
Ratio and Proportion (Entrance Exam)
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