In what proportion must be grocer mix rice at Rs.1.02 a kg and Rs.1.44 a kg so as to make a mixture worth Rs.1.26 a kg?
In what ratio a grocer mix two varieties of tea worth Rs. 60 per kg and Rs. 65 per kg so that by selling mixture at Rs. 68.20 kg he may gain 10%?
If the rice at Rs 3.20 per kg and rice at Rs 3.50 per kg is mixed then what should be their proportion so that the new mixture is worth Rs 3.35 per kg?