Liquids A and B are mixed in the ratio 5:3 and the mixture is sold at Rs. 42 with a profit of 20%. If the liquid A Costs Rs. 4 more than the liquid B, then what is the cost price of liquid A (in Rs)?
Wheat costing Rs. 42 and Rs. 36 per kg is mixed with third variety in the ratio 3:4:5. If this mixture cost Rs. 46.5 per kg, then what is the per kg price of wheat of the third variety?
Two varieties of tea having cost per kg Rs. 36 and Rs. 45 respectively are mixed in the ratio 13:8. How much quantities of this mixture should be sold at Rs. 45 per kg to get profit of Rs. 1950?