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?
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?
Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg. What will be the price of the third variety per kg ?
The cost of apple and grapes are between Rs 20 and 30 per kg. If total cost of 5 Kg apple and 7 Kg grapes is a number X having unit's and hundred's place equal and sum of cost of 1 Kg apple and 1 Kg grapes is Rs 50. Then what is the value of X?
Two varieties of tea having cost per kg Rs. 36 and Rs. 45 respectively are mixed in the ratio 13:8. How much quantities of this mixture should be sold at Rs. 45 per kg to get profit of Rs. 1950?
