Mixture and Alligation

Quantitative Aptitude ( CCS)

Title

45:30

8 of 24 completed

5 of 15 completed

38 of 100 completed

8 of 20 completed

Indian Economy - Understanding the basics of Indian economic system

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?

1:3

4:3

5:3

7:3

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

(310p) (360p)

\ /
Mean Price

(325p)

/ \

(360 – 325) : (325 – 310)

35 15
Required ratio = 35 : 15 = 7 : 3
They must be mixed in the ratio 7 : 3

Hence, option 4 is the correct answer.