There are 10 students in a class. Each of them has 10 chocolates. First student eats 1 chocolate, second eats 2, third eats 3 and so on. Tenth student eats all of his 10 chocolates. What is the average number of chocolates left with the students?
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Answer:
Average = sum of all observations /total no. Of observation..
So 10+9+.............+2+1/ 10
== 55/10
== 5.5 Answer...
Hope you understand
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