Question

Hari bought 20 kg of rice at ₹ 36 perkg and 25 kg of rice at ₹ 32 per kg. He mixed the two varieties and sold the mixture at₹ 38 per kg. Find his gain per cent in the whole transaction..

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Answer 1

Answer:

Hari bought 20 kg of rice at rs 36 per kg and 25 kg of rice at rs 32 per kg.

Therefore, the cost of 20 kg of rice

=rs(20×36)=rs720

And cost of 25 kg of rice

=Rs (25×32)=rs800

Therefore, total cost of rice =rs(720+800)=rs 1520

He sold the mixture at rs 38 per kg

Therefore, the cost =rs(38×45)=rs1710

Therefore, gain =rs(1710-1520)=rs190

Therefore,

gain %=190/1520×100=12 ½%

Step-by-step explanation:

Hope it helps.......

Answer 2

Answer:

12.5 %

Step-by-step explanation:

Total CP = 20×36+25×32

= 720 + 800

= 1520

Total SP = (20+25)×38

= (20+25)×38

= (45)×38

= 1710

Profit = 1710-1520

= 190

Profit % =

$\frac{190}{1520} \times 100$

$12 \frac{1}{2}$

Therefore the total profit in this transaction is of

12.5 %

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