mean of a series of 5 items is 25 and values of four items are 10 25 35 40 find out the value of 5 item

Dear Student,

When given that mean of 5 item is 25 that means sum of those 5 items = 5×25= 125
Now the 4 items are 10, 25, 35 & 40 total of all of them comes to 10+25+35+40 = 110
So the value of 5th item = 125-110 = 15
Regards,

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