Alligations or Mixtures
Aptitude

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Q.

In what ratio must tea at Rs. 62 per Kg be mixed with tea at Rs. 72 per Kg so that the mixture must be worth Rs. 64.50 per Kg?

 A.

1 : 3

 B.

2 : 3

 C.

3 : 1

 D.

3 : 2

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Solution:
Option(C) is correct

C.P of a unit quantity of 1st kind  = Rs. 62
C.P of a unit quantity of 2nd kind  = Rs. 72
Mean price = Rs. 64.50

C.P of unit quantity         C.P of unit quantity

of 1st kind                         of 2nd kind

    (Rs. 62)                             (Rs. 72)

 

                     \                       /
                        Mean Price

                         (Rs. 64.50)

                    /                        \

 

 (72 – 64.50)          :           (64.50 – 62)

       7.50                                      2.50


Required ratio = 7.50 : 2.50 = 3 : 1


(2) Comment(s)


Akshay Bhargava
 ()

#akshay as this is asking ratio between tea of 62 nd 72 therefore 1:3 should be the answer



Vivek Dixit
 ()

the answer shoould be 1:3