The average marks in Science subject of a class of 20 students is 68. If the mar

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The average marks in Science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 instead of the actual marks 72 and 61 respectively, what would be the correct average?

Answer: Option C

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Question 1. The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last six numbers is 1....six numbers is 11.4, then the middle number is :

Question 2. A pupil’s marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by....by half. The number of pupils in the class is-

Question 3. Average of ten positive numbers is $$\overline x $$. If each number is increased by 10%, then $$\overline x $$ -....

Question 4. A student obtained 60, 75 and 85 marks respectively in three monthly examinations in Physics and 95 marks in the final e....as a monthly examination. His average marks in physics are-

Question 5. The average age of all the students of a class is 18 years. The average age of boys of the class is 20 years and that of....20, then find the number of boys in the class.

Question 6. In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the rate in the remaining 40 overs to....remaining 40 overs to each the target of 282 runs?

Question 7. If the average of 5 numbers is 10, the number which should be added to make the average 12 is-....

Question 8. The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 run....is 48 runs. The highest score of the player is

Question 9. The average of 80 boys in a class is 15. The average age of a group of 15 boys in the class is 16 and the average age of....the average age of the remaining boys in the class?

Question 10. The average marks of a student in 8 subjects is 87. Of these, the highest marks are 2 more than the one next in value. I....85. What are the highest marks now obtained by him?

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