Question

a shopkeeper has 50 kg of rice.He sells a part of it at 20% profit and the rest at 40% profit. If he gains 25% on the whole, find the quality of each part?
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Answer 1

Answer:

Let the quantity of rice sold at 20% gain = x

According to question,

x×120100+(50−x)×140100=50×125100

120x+7000−140x=6250

20x=750

x = 37.5 kg

Answer 2

Answer:

Let 1st part = x

2nd part = 50 - x

C.P= x, P%=20%, S.P = ?

S. P = 6x/5

C.P=₹50-x, P%=40%, S.P= ?

S.P= 350-7x/5

P of 1st part = x/5

P of 2nd part = 100+12x/5

Total profit = 100+13x/5

Step-by-step explanation:

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