Rice price reduced 10%, buys 4 kg more for Rs. 144. Reduced price/kg:

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Original x, xy=144. 0.9x(y+4)=144 → 129.6 + 3.6x =144 → 3.6x=14.4 → x=4, reduced 3.6. Option C 3.6? But 3.24 is there. Check: x=4, reduced 3.6. So answer C. I'll set option C Rs. 3.6.

Rice price reduced 10%, buys 4 kg more for Rs. 144. Reduced price/kg: MCQ with Answer and Explanation

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