The average weight of five friends A, B, C, D and E is (x+8) years while the average weight of C and E is (x-8) kg. If the weight of another person F is...
Three natural numbers are given. If sum of average of any two numbers and the remaining third number is 56, 46 and 50 respectively, then find the sum o...
In a football squad of 22 players, the average weight is 75 kg. One player weighing 72 kg leaves, and 2 new players with an average weight of 78 kg join...
The average weight of 4 persons is 66 kg. The heaviest person’s weight is 32 kg more than the lightest person’s weight. If the average weight of the...
- The average value of the property of Pooja, Sahil and Ramesh is Rs. 66 lacs. The value of the property of Pooja is Rs. 12 lacs less than that of Sahil, and...
- There are three distinct numbers ‘x’, ‘y’ and ‘z’. If, x = 180, (x + y) = 480 and (z – y) = 60, then find the average of x, y and z.
A teacher marked a certain average number of papers per day for the first 30 days. In the next 10 days, she marked 90 papers daily. This increased her ...
Average of four numbers is 18. Sum of smallest and largest number is 32. If difference between other two numbers is 2, then find the square of second sm...
The average marks of 50 students in an examination was 65. It was later found that the marks of one student had been wrongly entered as 83 instead of 38...
The average score of 28 players in a team is 73. After two new players with scores (x + 8) and (x - 6) joined, the average score decreased by 2 points. ...
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