How many kilograms of tea powder costing Rs. 31 per kg be mixed with 36 kilograms of tea powder costing Rs. 43 per kg, such that the mixture when sold at Rs. 44 per kg gives profit of 10%?
Choose the correct answer.
A) 12 B) 15 C) 20 D) 10 E) 30
SP of the mixture = 44, Profit =10%, Then CP = SP*100/110   44*100/110 = Rs. 40 per kg   Using alligation rule, the required ratio =   31 43   \ /   40   / \   3 9   = 1:3   If 36 kg is 3 part then 1 part is 36*1/3= 
<gadget id="calculator">36*1/3</gadget>
<output>12</output>
12   12NSWER:12
<result>A</result>
How many kilograms of tea powder costing Rs. 31 per kg be mixed with 36 kilograms of tea powder costing Rs. 43 per kg, such that the mixture when sold at Rs. 44 per kg gives profit of 10%?