In what proportion may three kinds of rice bought at ₹

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In what proportion may three kinds of rice bought at ₹ 6 , ₹ 10 and ₹ 14 be mixed to produce a mixture
which would earn 40% on selling it at ₹ 11.20 per kg ?

1. 4 : 1 : 1
2. 3 : 1 : 1
3. 2 : 1 : 1
4. 2 : 2 : 1

Correct Option: A

SP o f mixture
= ₹ 11.20 per kg .
Profit = 40% .

CP of mixture ; 11.20 "	100
	140

= ₹ 8 per kg .

R e q u ire d ra tio
= 8 : 2 : 2 or 4 :1 : 1 .