Question

100. The mean of 10 number is 55. If one
number is excluded, their mean becomes
50. The excluded number is :
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Answer 1

Answer:

Heyy mate here is ur answer

1

Answer 2

Step-by-step explanation:

Total sum of 10 numbers/10=55

or, Total sum of 10 numbers=550

Now,

Total sum of 9 numbers/9=50

or, Total sum of 9 numbers=450

Required excluded number=(Total sum of 10 numbers -Total sum of 9 numbers)=550-450=100(ans)