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The correct answer is D
The average weight of 20 students is 27 kg. If two students weighing 19 kg and 47 kg are replaced by a teacher weighing 77 kg, what is the new average w...
The average number of sweets distributed in a class of 90 students is 6. If lsquo;xrsquo; number of students newly joined the class and the average beco...
Average age of company A is 21 years and average age of both companies A and B is 13 years. If the ratio of number of employees in company A and B is 3:...
Average weight of a team of 18 persons is 40 kg. When one more person joins the team, the average weight of the team increases by 4 kg. Find the weight ...
Average of 8 numbers is 70. If average of first four and last two numbers is 80 and 45, respectively then find the fifth number given that ratio of fift...
The average age of a category of 5 members is 40 years. If a person whose age is 60 years will left the group and two new persons whose age is 'a' years...
The average age of a group of eight children is 9 years. Two children, whose ages were 7 years more and 5 years more than the average age, left. Two new...
The batting average of 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest by 172 runs. If the two are excluded, the average...
The average salary of a group of 12 employees is Rs. 60,000. When one employee departs, the average salary of the remaining 11 employees drops by Rs. 2,...
The average age of 21 children is 30 years. 4 new children, whose average age is 15 years, join them. Find the average age of the 25 children.
