In what ratio mental A at Rs.68 per kg be mixed with another metal at Rs.96 per kg so that cost of alloy (mixture) is Rs.72 per kg?	Pick one
A) 6:1  B) 4:7  C) 3:7  D) 9:5  E) 9:8
(96-72)/(72-68)=24/4= 
<gadget id="calculator">24/4</gadget>
<output>6</output>
6/1   6:1NSWER:6:1
<result>A</result>
In what ratio mental A at Rs.68 per kg be mixed with another metal at Rs.96 per kg so that cost of alloy (mixture) is Rs.72 per kg?