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प्रश्न
Sankari purchased `2 1/2` m cloth to stitch a long skirt and `1 3/4` m cloth to stitch blouse. If the cost is ₹ 120 per metre then find the cost of cloth purchased by her
योग
उत्तर
Cloth to stitch a long skirt = `2 1/2` m
Cloth to stitch a blouse = `1 3/4` m
Total length of the cloth = `2 1/2 + 1 3/4` m
= `2 + 1/2 + 1 + 3/4` m
= `(2 + 1) + (1/2 + 3/4)` m
= `3 + (2/4 + 3/4)` m
= `3 + ((2 + 3)/4)` m
= `3 + 5/4` m
= `3 + 1 1/4` m
= `3 + 1 + 1/4` m
= `4 + 1/4` m
= `4 1/4` m
Cost of cloth per metre = ₹ 120
∴ Cost of cloth for `4 1/4` m = `4 1/4 xx 120`
= `17/4 xx 120`
= 17 × 30
= ₹ 510
Cost of cloth purchased by Sankari = ₹ 510
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