How many kg of salt at 25 paise per kg must be mixed with 50 kg of salt costing 42 paise per kg so that a merchant will get a profit of 30% by selling the mixture at 39 paise per kg?
If 4 kg of kiwi cost as much as 16 kg of banana and the cost of 5 kg of kiwi and 16 kg of banana is Rs. 1080. What is the cost of kiwi 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?
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?
