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A gift box has 10 bangles. The average weight of the first 4 bangles is 56gms and the average weight of the remaining 6 bangles is 57 gms. Tell the aver...
- A group consists of a certain number of individuals. If two members, each weighing 59 kg, leave the group, the average weight of the remaining members decr...
- The average salary of M, N, and O is Rs. 20000 and the average salary of P and Q is Rs. 14000. If the savings of M is 65% of the average salary of all five...
In a College with 1200 students, the average age of the boys is 24 years and that of girls is 17 years. If the average age of the college is 22 years an...
The average age of 18 girls is 36 years. If the age of two more girls is added the average decreases by half a year. What is the sum of the age of new g...
A kiosk has different brands of chips. 70% of the stores' sales are from selling potato chips. 30% of the sales are from 3 other chips and wafers. Every...
The average of 18 numbers is 75. The average of the first nine numbers and the last six numbers is 62.5 and 82.5, respectively. T...
A bowler gives 15 runs per wicket. He gives 30 runs and takes 5 wickets in a last match after which his average becomes 13.5 runs per wicket. How many w...
The overall average score of a group of students is 70. The boys have an average of 60 and the girls average 85. By what percentage is the number of boy...
In an Aerobic class, the average age of all the members was 54.5 years, 11 members left the class and 7 new members joined. If the average age increased...
