In what ratio should two varieties of sugar of Rs.18 per kg and Rs.24 kg be mixed together to get a mixture whose cost is Rs.20 per kg?  Pick:
A) 2:1	B) 1:2	C) 1:5	D) 5:1	E) 4:3
1st variety rs 18 /kg---- 2nd variety rs 24/kg   mix cost 20/kg = (24-20) (20-18)   =4:2 = 2:1   2:1NSWER 2:1
<result>A</result>
In what ratio should two varieties of sugar of Rs.18 per kg and Rs.24 kg be mixed together to get a mixture whose cost is Rs.20 per kg?