Price reduced 20%, enables buying 5 kg more for Rs. 120. Reduced price/kg:
A. Rs. 5
B. Rs. 4.8
C. Rs. 3.2
D. Rs. 4
Answer: Option C
Solution (By JKSSB Mock Tests)
Original x, xy=120. New 0.8x(y+5)=120 → 0.8×120 + 4x =120 → 96+4x=120 → 4x=24 → x=6, reduced 4.8? Wait: original x=6, reduced price = 0.8*6=4.8, option C. Check: original 6 per kg, 20 kg for 120. Reduced 4.8, buys 25 kg for 120, 5 kg more. So reduced price = 4.8. Option C. So answer C.
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