One quantity of wheat at Rs 9 30 per Kg is mixed with another quality at a certain rate in the ratio...........

Quantitative Aptitude ( CCS) Mixture and Alligation

One quantity of wheat at Rs 9.30 per Kg is mixed with another quality at a certain rate in the ratio 8:7. If the mixture so formed be worth Rs 10 per Kg, what is the rate per Kg of the second quality of wheat?

10.80

12.47

15.17

47.66

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Explanation:

Let the rate of second quality be Rs x per Kg.
C.P of 1Kg wheat of 1st kind = 930p
C.P of 1 Kg wheat of 2nd kind = 100x p
Mean price = 1000p
By rule of alligation we have required ratio 8 : 7

930 x

\ /

(Mean Price)
(10)

/ \

x-10 : 0.7 :: 8 : 7

So we get required ratio, (x-10) : 0.7 :: 8 : 7
⇒ x = 10.80 per Kg

Hence, option 1 is the correct answer.

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