The average of the first 100 positive integers is -

Question

The average of the first 100 positive integers is -

Options:

A . 100

B . 51

C . 50.5

D . 49.5

Answer: Option C

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Question 1. The mean of 50 numbers is 30. Later it was discovered that two entries were wrongly entered as 82 and 13 instead of 28 a....13 instead of 28 and 31. Find the correct mean.

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Question 6. The average age of a class of 39 students is 15 years. If the age of the teacher is included, then the average increases....increases by 3 months. Find the age of the teacher.

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