The cost of 3 types of wheat are 10 rupee, 14 rupee and 16 rupees. What will be the rate of a mixture of 20 kg, 50 kg and 40 kg wheat of these 3 types respectively?
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?
Kantilal mixes 80 kg of sugar worth of Rs. 6.75 per kg with 120 kg worth of Rs. 8 per kg. At what rate shall he sell the mixture to gain 20%.
The cost (per kg) of 3 qualities of rice are 45, 42 and 35 respectively. What will be the cost (per kg) of a mixture of 10 kg of first, 8 kg of second and 7 kg of third?
In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 kg?
