Question
The meaning of 12 observations is 15. One more observation is included, and the new mean becomes 17. The 13th observation is.
More Average Questions
- The average of 12 numbers is 18. The average of the first 5 numbers is 16 and the average of the last 6 numbers is 20. What is the remaining number?
- The average of 7 numbers is 32. If one more number is added and the new average becomes 34, find the new number.
- Average age of 25 students is 15 years. If 5 students leave the class, the average age decreases by 1 year. Find the average age of the students who left t...
- Average marks scored by Vineet in five subjects are 80. The average marks scored by him (excluding his highest and lowest marks) are 72 and lowest marks sc...
- The average salary of A, B and C is Rs. 22000 while average salary of B, C and D is Rs. 25000. If the average salary of D be 2 times of that of A, then the...
- The average of six numbers is 82. When two more numbers are included, the average increases by 4. Find the average of the numbers included.
- Average run scored by a batsman in first ‘x’ matches is 44. In next 8 matches he scored runs with an average of 80 so that his overall average ...
- The average mark obtained by 130 candidates in a certain examination is 40. If the average marks of passed candidates are 45 and that of the failed candida...
- The average age of a group of 24 persons is found to be 30 years. Later it is found that age of two of the persons is calculated as 30 and 60 instead of 56...
- In an examination the average marks of Rohit is 54. If he got 18 more marks in science and 22 more marks in maths then his average would have been 58. Find...
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
