Question

Tea worth rs. 126 per kg and rs. 135 per kg are mixed with a thirdvariety in the ratio 1 : 1 : 2. if the mixture is worth rs. 153 per kg, theprice of the third variety per kg will be:

Answer 1

Let the third variety of tea  =x/kg.

Using the average weighted formula:

(126*1+135*1+x*2)/4 =153

=>2*x+261=612

=>2*x=351

=>x=175.5/kg.

Ans- 175.5/kg is the price of third variety tea.