**Hard Average Methods shortcut tricks**

**Example 1:** The average marks in Mathematics of a class V of 28 students is 58. The marks of students if were wrongly read as 36, 46,37 of the existing marks 42, 59, 66 respectively. then find the correct average ?

**Answer : Shortcut :**

28 x 58 (42 + 59 + 66) -(36 + 46 + 57) / 28 = 59

The correct average is 59.

- Average Methods Example 1
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its really good web site…… very good

Very nice explained and shortcuts

Give some more examples in this chapter

Its is great websites

Ans provided is wrong. Either take 57 instead of 37, or the average coming is 59.7142