Question
There are 15 numbers such that average of first 12 numbers is 50 while the average of last five numbers is 60. Find the 12th number, if the ratio between 11th and 12th number is 13:7, respectively.
More Average Questions
- The average weight of 4 persons is 33 kg. The heaviest person’s weight is 30 kg more than the lightest person’s weight. If the average weight of the rest t...
- The average of five even numbers is 64. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4. Wh...
- The average of 17 numbers is 80. The first seven numbers have an average of 100, and the last five numbers have an average of 72. The tenth number exceeds ...
- In a family of 10, the men eat on average 65 kg of food and women eat on an average 45 kg of food. The men and women are equal in number. A woman joined th...
- A set contains twelve numbers. The average of the first eight numbers is (y - 3), and the average of the last three numbers is (y + 5). The average of the ...
- The average of 40 numbers was calculated to be 52. Later, it was found that two numbers had been taken wrongly as 43 and 57 instead of 63 and 47 respective...
- The average age of a group of nine children is 7 years. From the group, three children, whose ages were 3 years more, 2 years more, and 4 years more than t...
- The average of four numbers is 68. When four more numbers are included, the average increases by 6. Find the average of the numbers included.
- Determine the average of all prime numbers that lie between 35 and 70.
- Average of 20 numbers is 90. Average of first 8 numbers is 125 while average of last nine numbers is 40. If ninth number is 25% less than the tenth number ...
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
