In what proportion must wheat at Rs. 1·60 per kg be mixed with wheat at Rs. 1·45 per kg. So that the mixture be worth Rs. 1·54 per kg?

Q: In what proportion must wheat at Rs. 1·60 per kg be mixed with wheat at Rs. 1·45 per kg. So that the mixture be worth Rs. 1·54 per kg?

Using the Alligation method , Here , C1 = 160 paise , C2 = 145 paise and Mean cost Price ( M ) = 154 paise Required ratio = ( M - C2 ) : ( C1 - M ) ∴ (Dearer wheat) : (Cheaper wheat) = 9 : 6 Hence , (Dearer wheat) : (Cheaper wheat) = 3 : 2

2 : 3
3 : 2
3 : 4
4 : 3

Correct Answer: 3 : 2

Explanation:

Using the Alligation method ,
Here , C₁ = 160 paise , C₂ = 145 paise and Mean cost Price ( M ) = 154 paise
Required ratio = ( M - C₂ ) : ( C₁ - M )
∴ (Dearer wheat) : (Cheaper wheat) = 9 : 6
Hence , (Dearer wheat) : (Cheaper wheat) = 3 : 2

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