A total of 9 students took a test and their average score was 86. If the average score of 4 students was 81, what was the average score for the remaining 5 students?

If the average marks of three classes of 70, 75 and 80 students are 70, 75, 80 respectively, find the average marks of all the students. (Approximately)

In the 8th class, consisting of 30 students, a Mathematics test was taken. 10 students had an average score of 90. The other students had an average score of 75. What is the average score of the whole class?

Marks scored by a student in different subjects are given in the table below

Five marks are to be deducted from each subject due to a shortage of attendance. What is the net average of the mean, median, and mode of the marks obtained?

Of the 5 subjects, the average marks of Rakesh in first 3 subjects was 75 and the average marks in the last 3 subjects was 82. If his marks in the third subject was 66, then what was his average marks in all the 5 subjects?

In an examination of 7 papers of 100 marks each, there were 3 mathematics papers, 2 English papers and 2 Hindi papers. D gets average marks of 45, 55 and 60 in mathematics, English and Hindi, respectively. What are the average marks per paper?

A class of 68 students made a mean score of 60 marks, and another class of 32 students made it exactly 52.5. What is the overall mean score?

During his entire school life, John’s average marks in science were 80% and his average mark in mathematics was 90%. If his combined average marks in science and mathematics were 84%, while the total marks obtained by him in science were 54,000, what were John’s total marks obtained in mathematics?

In a class, the ratio of rural to urban students is 4 : 9. In an examination, the average percentage marks of rural and urban students are 75% and 68%, respectively. What is the overall average percentage mark of the class (correct to two decimal places)?

The average marks scored by the students of classes IX, X, and XI in mathematics paper are 76, 82, and 79 respectively. Find the average marks scored by the students of classes IX, X, and XI together.

The average marks in Physics class are 80 while the average marks in Chemistry class are 90. The combined average of both classes is 83. There are 30 chemistry students in total. What would be the combined average of 10 physics students with an average of 78 marks left in the class?

The average of the marks scored by Amit in 5 subjects is 72. If the average of the marks scored in 3 of these subjects is 70, then what is the average of the marks in the remaining subjects?

If the average marks of three classes of 30, 50 and 70 students are 55, 70 and 70 respectively, then the average marks of all the students is: 

In an examination of 7 papers of 100 marks each, there were 3 mathematics papers, 2 English papers and 2 Hindi papers. D gets average marks of 45, 55 and 60 in mathematics, English and Hindi, respectively. What are the average marks per paper?

A class of 30 students appeared in a test. The average score of 12 students is 60, and that of the rest is 80. What is the average score of the class?

The average marks of three batches of 25, 31 and 41 students is 20, 26 and 56, respectively. Find the average marks of all the students (rounded off to two places of decimal).

In a test, the average score of 50 students is 66. Out of the total students, 40% are girls and the rest are boys. The average score of the boys is 20% less than that of the girls. What is the average score of the girls? 

In an examination, the marks obtained by 6 students are 76, 68, 79, 84, 88 and 85. The average score of the group is:

Of the 5 subjects, the average marks of Rakesh in first 3 subjects was 75 and the average marks in the last 3 subjects was 82. If his marks in the third subject was 66, then what was his average marks in all the 5 subjects?

The average marks of three students in mathematics is 65. When the marks of fourth students are added to it the average decreased by 3. Find the marks obtained by the fourth student.

A class of 30 students appeared in a test. The average score of 12 students is 62, and that of the rest is 78. What is the average score of the class?

The average score of 84 students (boys and girls) on a test is 95. The ratio of the number of boys to that of girls is 10: 11. The average score of the boys is 20% less than that of the girls. What is the average score of the boys on the test?

10th class of 40 students took a Maths test. 25 students had an average score of 60. The other students had an average score of 80. What is the average score of the whole class?

If the average marks of three classes of 75, 80 and 85 students are 75, 80, 85, respectively, find the average marks of all the students. (approximately)

In the 8th class, consisting of 30 students, a Mathematics test was taken. 10 students had an average score of 90. The other students had an average score of 75. What is the average score of the whole class?

The average marks of three batches of 25, 31 and 41 students is 20, 26 and 56, respectively. Find the average marks of all the students (rounded off to two places of decimal).

The average marks scored by the students of a class is 75. If the average marks scored by the girls in the same class is 90 and that of boys is 70, what is the percentage of boys in the class?

The average age of students of a class is 16.8 years. The average age of boys in the class is 18.4 years and that of the girls is 16.4 years. The the ratio of the number of boys to the number of girls in the class?

If the average marks of three classes of 75, 80 and 85 students are 75, 80, 85, respectively, find the average marks of all the students. (approximately)

In a class there are 26 boys and 24 girls. The Math teacher administered a test and found that the average score of the whole class is 85.If the average score of the boys was 82, find the average score of the girls.

The average marks of three students in mathematics is 65. When the marks of fourth students are added to it the average decreased by 3. Find the marks obtained by the fourth student.

The average marks scored by the students of classes IX, X, and XI in mathematics paper are 76, 82, and 79 respectively. Find the average marks scored by the students of classes IX, X, and XI together.

The average marks obtained by boys and girls in a test are given below:

Find the average marks obtained by the total students in the test.

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?

If the average marks of three classes of 65, 70 and 75 students are 65, 70, 75, respectively, find the average marks of all the students. (approximately)

The table given below shows the average marks(in %) of students in four different classes.

What will be the average marks of the students from all four classes together?

In class 12, R has two language subjects and three science subjects. His average marks in the language subjects are 65 and his overall average marks are 72. What are his average marks in the science subjects?

In a class of 240 students, 37.5% are boys and the remaining are girls. The average of the boys’ marks is 67.1, and that of the girls is 85.5. What are the average marks of the whole class?

In an examination of 7 papers of 100 marks each, there were 3 mathematics papers, 2 English papers and 2 Hindi papers. D gets average marks of 45, 55 and 60 in mathematics, English and Hindi, respectively. What are the average marks per paper?

The average score of 84 students (boys and girls) on a test is 95. The ratio of the number of boys to that of girls is 10: 11. The average score of the boys is 20% less than that of the girls. What is the average score of the boys on the test?

In a classroom consisting of boys and girls, the average marks obtained by the boys is 90. If the average of the whole class is 92, and the ratio of the number of boys to that of girls is 3 : 2, what is the average marks scored by the girls?

The mean score in a test of the 12 boys in a class was 16, while the overall mean of the 30 students in the class was 18.1. What was the mean score of the girls.