Question
Padam purchased 30 kg of rice at the rate of Rs. 17.50 per kg and another 30 kg. rice at a certain rate. He mixed the two and sold the entire quantity at the rate of Rs.18.60 per kg and made 20% overall profit. At what price per kg did he purchase the lot of another 30 kg rice?
Answer: Option B
- Let the required price per kg Rs.a . Then,
C.P. of 60 kg rice = Rs.(30x17.50+30x a)
=Rs.(525+30a)
S.P. of 60 kg rice= Rs.(60x18.60) =Rs.1116.
116-(525 + 30a) x 100 = 20 525 + 30a 591 - 30a = 1 525 + 30a 5
= 2955 – 150a = 525 + 30a
= 180a = 2430
a = (2430/180)
=(27/2)
=13.50
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- Let the required price per kg Rs.a . Then,
C.P. of 60 kg rice = Rs.(30x17.50+30x a)
=Rs.(525+30a)
S.P. of 60 kg rice= Rs.(60x18.60) =Rs.1116.
116-(525 + 30a) x 100 = 20 525 + 30a 591 - 30a = 1 525 + 30a 5
= 2955 – 150a = 525 + 30a
= 180a = 2430
a = (2430/180)
=(27/2)
=13.50
Was this answer helpful ?
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