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Beverage X costing 20 per liter and Beverage Y costing 32 per liter The total cost of the mixture should be 24 per liter: By alligation method- Ratio of Beverage X to Beverage Y = (32-24): (24-20) = 8: 4 = 2: 1 2x+1x = 150 3x = 150 X = 50 Which means 100 liters of X and 50 liters of Y
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The average age of 15 children and their teacher's age are 12 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?
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The average of five even numbers is 68. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
The average weight of 20 students in a class is 52 kg. Two students leave the class, and their combined average weight is 40 kg. Subsequently, six new s...
In an examination, a student has an average score of 84. If he had scored 14 more marks in Science and 19 more marks in English, his average would incre...
In a cricket match the captain of one of a team scored 27 runs more than the average runs scored by the remaining 7 batsmen of that team who batted in t...
Four numbers, when arranged in ascending order, are w, x, y and z. The average of the smallest three numbers is 25.5 while the average of the largest th...
Anish and Ajay are business partners. Three years ago, their average age was 18 years. Vikas has recently joined them and now the average age of three p...