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प्रश्न
Cost of 5 kg of wheat is Rs 91.50. What will be the cost of 8 kg of wheat?
उत्तर
Cost of 5 kg wheat = Rs 91.50
Cost of 1 kg wheat = `91.50/5` = Rs 18.30
Therefore, cost of 8 kg wheat = 18.30 × 8 = Rs 146.40
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