question_answer

The mean of ten items is p and if each item is decreased by 3, then its mean will be

A) \[10p-3\]                       

B)  3p                   

C) \[p-3\]               

D)        \[10+p\]           

Correct Answer: C

Solution :

Let the given number be Then, the mean of given numbers Now, if each number is decreased by 3, then the new number are, New mean So, new mean