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प्रश्न
Seven equal pieces are made out of a rope 5 of 21 `5/7` m. Find the length of each piece.
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उत्तर
Length of 7 pieces of rope = `21 5/7` m
`= (21 xx 7 + 5)/7 = 152/7`
Length of each piece = `152/7 div 7`
`= 152/7 xx 1/7 = 152/49 = 3 5/49` m
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