1.

In what ratio must a vendor mix two varieties of sugar Worth Rs. 60 per kg and Rs. 78 per kg so that by selling the mixture at Rs. 78 per kg, the vendor gains 20%?

A. 7 : 4
B. 7 : 2
C. 13 : 5
D. 5 : 2
Answer» D. 5 : 2


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