Question
There are 15 numbers such that average of first 12 numbers is 65 while the average of last five numbers is 70. Find the 12th number, if the ratio between 11th and 12th number is 13:7, respectively.
More Average Questions
- The average age of A and B is 21 years. If A is to be replaced by C, the average would be 20 years. The average age of C and A is 22 years. Find the age of...
- The average number of taxis of three colours (black, white and yellow) in a taxi stand is 150. The number of black taxis is 50 more than that of yellow tax...
- 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 ave...
- The average age of a class of 20 girls is 16 years. If 4 new girls having average age of 10 years join the class, then the average age of the class becomes...
- The average age of 18 children and their teacher's age are 15 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?
- Ashish bought 25 notebooks for Rs.1230 from shop A and 12 notebooks for Rs.805 from shop B. What is the average price he paid per book?
- The batsman has an average of 32 in 50 innings. His scores in the next 5 innings are 40, 30, 35, 45, and 50. Find his new batting average.
- KL Rahul has an average score of 75 runs in 130 innings. The highest runs scored by him in an innings exceed his lowest score by 170 runs. If the runs scor...
- In a group, 2 people with average weight 55 kg leave, and the average drops by 1 kg. If 3 people of average weight 56 kg leave, average drops by 2 kg. Find...
- In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced to ...
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
