Mathematics · Ratios and Proportions
एक मशीन में 8 दांतों (cogs) वाला एक चरखी (pulley) 18 दांतों वाले बड़े चरखी से जुड़ा हुआ है। जब छोटा चरखी 27 चक्कर लगाता है, तो बड़ा चरखी कितने चक्कर लगाएगा?
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