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The average weight of 4 persons is 46 kg. The heaviest person’s weight is 28 kg more than the lightest person’s weight. If the average weight of the...
The mean of a set of 15 numbers is 40. If the mean of the initial 5 numbers in this set is represented by the expression (12x + 10), and the mean of the...
The ratio of the number of cats to sheep on a farm is 5:8. The total number of cats and sheep is 91. The combined weight of all t...
There are 30 employees in a company, out of which 50% are officers and the rest are workers. The average salary of each employee in the company is Rs. 2...
In a group of 50 students, the average monthly tuition is Rs. 7,200. Following a fee adjustment, the new average monthly tuition per student is Rs. (720...
In a class of 40 students, the average weight of the class is 65 kg, but when one of the students left from the school and 6 new ...
The average of 15 numbers is 110. The average of the first 7 numbers is 98 and the average of the last 7 numbers is 62. What is the 8th number?
The average age of a group of 70 students is 14 years. If three students whose ages are 22years, 20years, ________ years is replaced with three new stud...
Average of four numbers is 21. Sum of smallest and largest number is 53. If difference between other two numbers is 1, then find the square of second sm...
P's average monthly spending for the first 7 months is ₹1200, and for the following 5 months, it increases to ₹1500. Additionally, he manages to sav...
