If a man reduces the selling price of a fan from Tk. 400 to Tk. 380, his loss increases by 2%. The cost price of the fan is:
Tea worth Tk. 126 per kg and Tk. 135 per kg are mixed with a third variety in the ratio 1:1:2. If the mixture is worth Tk. 153 per kg, then the price of third variety per kg will be: