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In what proportion must rice at Rs. 3.10 per kg be mixed with rice at Rs. 3.60 per kg so that the mixture be worth Rs. 3.25 per kg?
C.P of a unit quantity of 1st kind = 310p (in paise)
C.P of a unit quantity of 2nd kind = 360p
Mean price = 325p
C.P of unit quantity C.P of unit quantity
of 1st kind of 2nd kind
(360 – 325) : (325 – 310)
Required ratio = 35 : 15 = 7 : 3
They must be mixed in the ratio 7 : 3
Hence, option 4 is the correct answer.
By: Amit Kumar ProfileResourcesReport error
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