Question
Gaurav scored 85 marks in Arts. He scored 60% marks in
Hindi and X marks in Maths. The maximum marks for each subject is 200. The overall percentage of marks obtained by Gaurav in all three subjects together is 55%? Find the value of X.Solution
The maximum marks for each subject is 200 Gaurav’s Arts mark = 85 Hindi Mark = 60% = (60/100) x 200 = 120  The overall percentage of all three subjects together => 55%= (55/100) x 600 = 330  Gaurav’s mark, Arts + Hindi + X = 330 =>85 + 120 + X = 330 =>X = 330-205 =>X = 125
A shopkeeper buys 40 kg of sugar at ₹30 per kg and 60 kg of sugar at ₹35 per kg. He mixes them and sells the entire quantity at ₹40 per kg. If his...
225 ml of mixture ‘A’ contains milk and water in the ratio 2:3 respectively. If the quantity of milk in mixture ‘B’ is 25.5% more than that in m...
Quantity of water in a 320 litres mixture (alcohol + water) is 20 litres less than the quantity of alcohol in it. Find the quantity of water to be mixed...
A container holds a mixture of two liquids, A and B, in the ratio 2:3. If the total volume of the mixture is 70 liters, how many liters of liquid A must...
- A mixture contains milk and water in the ratio of 3:1, respectively. If 280 ml of mixture is taken out and 90 ml of milk and 70 ml of water is added into t...
A container has 'x' litres of a 30% sugar solution. Another container has 40 litres of a 50% sugar solution. When both solutions are mixed together, the...
 A mixture contains alcohol and water in the ratio 5:3. If 4 liters of water are added to the mixture, the ratio becomes 5:7. What is the initial quant...
A milkman has 80 liters of milk, and he removes 20 liters and replaces it with water. If he repeats the process twice more, how much milk remains in the...
A 200 ml mixture of milk and water has a milk to water ratio of 1:4. If 'x' ml of milk is added such that the new ratio is 1:1, find 'x'.
In a mixture of 60 litres, the ratio of milk and water is 2 : 1. If this ratio is to be 1 : 2, then the quantity of water to be further added is:
