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प्रश्न
What is the cost of 27.5 m of cloth at ₹ 53.50 per metre?
बेरीज
उत्तर
By the unitary method,
Cost of 1 m of cloth = ₹ 53.50
Cost of 27.5 m of cloth = ₹ (53.50 × 27.5)
= ₹ `(5350/100 xx 275/10)`
= ₹ `(1471250/1000)`
= ₹ 1471.25
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