मराठी

The fourth proportional to 0.12, 0.21 and 8 is ______.

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प्रश्न

The fourth proportional to 0.12, 0.21 and 8 is ______.

पर्याय

  • 8.9

  • 14

  • 17

  • 56

MCQ
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उत्तर

The fourth proportional to 0.12, 0.21 and 8 is 14.

Explanation:

Let the fourth proportional be d. Then 0.12 : 0.21 = 8 : d, giving `d = 8 xx 0.21/0.12 = 14`.

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पाठ 7: Ratio and Proportion - COMPETENCY-FOCUSED QUESTIONS [पृष्ठ ११४]

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आर. एस. अग्रवाल Mathematics [English] Class 10 ICSE
पाठ 7 Ratio and Proportion
COMPETENCY-FOCUSED QUESTIONS | Q 15. | पृष्ठ ११४
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