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प्रश्न
The diameter of a wheel is 42 cm. How many revolutions will be made by the wheel in covering a distance of 4092 metres?
विकल्प
3600
3200
3100
3300
MCQ
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उत्तर
3100
Explanation:
Distance covered by the wheel in one revolution = circumference of the wheel
= π × diameter
= `22/7 xx 42`
= 132 cm
∴ Number of revolutions = `(4092 xx 100)/132` = 3100
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Mensuration - Area and Volume (Entrance Exam)
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