Let the maximum marks of the examination = x So according to question: 0.28x + 42 = 0.41x – 36 0.13x = 78, x = 600 So the passing marks = 600 × 0.28 + 42 = 168 + 42 = 210 Hence, option c.
Suppose you have 60 litres of milk, which you can purchase at Rs. 35 for every 1.5 litres. How many litres of water should you add to this milk to reduc...
If 100 liters of milk solution contains 60% milk, how much milk should be added to make the solution 80% milk?
A chemist prepared 50 grams of a medicine by mixing two ingredients P and 'Q, Rate of 'P' is ₹150 per 10 gm and that of 'Q' is ₹ 500 per 100 gm. 'P'...
In mixture 'X,' there are (4a + 20) liters of Juice and the remaining 20% consists of Soda.When mixture 'X' is combined with mixture 'Y,' which contains...
700 ml of a mixture contains milk and water in the ratio of 18 respectively. If 100 ml of water and 110 ml of milk are added into it, then the ratio of ...
A container contains 25 liters of milk. From this container, 5 liters of milk is taken out and replaced by water. This process is repeated two times. Ho...
In an 800 ml mixture, 60% is soda, and the remainder is water. If 96 ml of soda and 128 ml of water are added to this mixture, determine the new ratio o...
Milk and water are mixed in vessel A in the ratio of 5:2 and in vessel B in the ratio of 8 : 5. In what ratio should quantities be taken from the two v...
A container has 120 liters of milk and 'x' liters of water. If 25% of the mixture is removed and then 10 liters of water are added such that the quantit...
In a mixture of juice & water, 75 litres water is mixed due to which ratio changes from 3:4 to 1:2. Find initial quantity of mixture. (in lit...
