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If two equations a1x + b1y + c1 = 0 and a2x + b2y + c2 = 0 have a unique solution, then (a1/a2) ≠ (b1/b2) So, (6/9) ≠ (m/21) Or, 'm' ≠ 14
A 300 litres mixture of milk and water contains 50% milk. How much water should be added to the mixture to make the quantity of water 70% of the total m...
In a mixture, 25% is water and the remainder is milk. The milk is 140 liters more than the water. How much water is in the mixture?
Quantity of milk is 10% more than that of water in 210 litres mixture. On adding (n - 5) litres water and (n + 5) litres milk, the new ratio becomes 11:...
140 litres of mixture X contains acetone and glycerine in the ratio 5:9, respectively. 70 litres of the mixture is withdrawn and labelled as mixture Y a...
In a mixture of 45 litres, the ratio of wine to water is 2 : 3. If this ratio is to be 1 : 3, then what is the quantity of water needed to be added?
In a mixture of juice & water, 60 litres water is mixed due to which ratio changes from 3:4 to 1:2. Find initial quantity of mixture. (in lit...
A vessel is completely filled with milk. If 48% of the milk is replaced with water then only 130 ml of milk will be left in the vessel. What is the tota...
A shopkeeper purchased 150 kg of rice at ₹40 per kg. He sold 60% of the rice at a profit of 25% and the rest at a loss of 15%. Find the overall percen...
In a mixture of milk and water, the quantity of water is 40 litres more than that of milk. When 100 litres of milk is added to the mixture, then the qua...
