Question
A class of 30 students appeared in a test. The average score of 12 students is 80, and that of the rest is 75. What is the average score of the class?
More Average Questions
- What is the average of the squares of the first 35 natural numbers?
- 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...
- A store has 40 laptops and 60 tablets. Average cost of each laptop is Rs. 50,000 and that of each tablet is Rs. 25,000. Find the average cost (in Rs.) of a...
- The average age of A and B is 22 years. If A is to be replaced by C, the average would be 20 years. The average age of C and A is 23 years. Find the age of...
- Rohit Sharma's strike rate is initially 125 after facing a certain number of balls. Over the next 14 balls, he scores an additional 28 runs, leading to an ...
- 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...
- Fifteen numbers have an average of 70. The average of the first seven is 60, and the average of the last five is 63. The eighth number is 50% of the ninth,...
- The average of three numbers is 60. When three more numbers are included, the average increases by 6. Find the average of the numbers included.
- 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 ...
- The average age of 12 girls is 35 years. If the age of two more girl is added the average decreases by one and a half year. What is the sum of the age of n...
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