Question
The total number of students in class A is 112, and the ratio of girls to boys is 7:9. If the average number of boys in classes A and B is 162, and the average number of girls in classes A and B is 114, find the total number of students in class
The total number of students in class A is 112, and the ratio of girls to boys is 7:9. If the average number of boys in classes A and B is 162, and the average number of girls in classes A and B is 114, find the total number of students in class
B.
More Average Questions
- The average of 22 numbers is 90. The average of the first 14 numbers is 95, while the average of the last 10 numbers is 85. If the 14th number is removed, ...
- 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. The 12th number is 34.3 mor...
- The average age of 15 students in a classroom is 20 years. When two new students, Raj and Simran, join the class, their ages being in the ratio of 7:8, the...
- The average mark obtained by Khushi in four papers was 51, and in the fifth paper, she obtained 56 marks. Find his new average in all five papers.
- "X" acquired 15 books at a cost of Rs. 840 each and an additional 25 books at a price of Rs. 480 each. Determine the average price per book "X" bought.
- A group of 20 players has an average score of 55 runs. If x new players join with an average score of 70 runs, the new average becomes 58 runs. Find x.
- Average weight of all the people in a group is 58 kg. When two people of weight 65 kg and 81 kg left the group, average weight reduces by 1.2 kg. Find the ...
- The average of sixty numbers is 70 while the average of first thirty numbers and last thirty numbers is 75 and 85, respectively. Find the thirtieth term.
- The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest child ...
- Average of 8 numbers is 50. If average of first four and last two numbers is 60 and 70, respectively then find the fifth number given that ratio of fifth a...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
