Rajni sold a pressure cooker at a loss of 8%. had she bought it at 10% loss and sold for ₹ 176 more she would have gained 20% find the cost price of the cooker
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Step-by-step explanation:
sp=cp(1-l%)
= cp(1-8%) = cp(1-.08)
sp =0.92cp --- A
I guess its 10% less, instead of "loss"
cp1 = cp(1-10%) = cp(1-0.1) = 0.9cp
sp1 = sp+176
sp1 = cp1(1+20%) =0.9cp(1+0.2) = 0.9×1.2cp = 1.08cp
sp+176 = 1.08cp
substitute from A
0.92cp +176 = 1.08cp
176 = 1.08cp - 0.92cp = 0.16 cp
cp = 176/0.16 = 1100
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