The mean of six no. is 30 if one number is excluded and the mean becomes 29 find the excluded number
Answers
Answered by
10
30*6=180
29*5=145
Excluded no. Will be 180-145=35
29*5=145
Excluded no. Will be 180-145=35
Answered by
5
x1 + x2........+x6/6 is 30
x1 +x2........+x6 is 30*6 180.......1
x1 +x2.........+x5 /5 is 29
x1 +x2.........+x5 is 29*5 145.........2
subtracting 2 from 1
we get
x6 is 180-145
therefore 35 x6
n the value of excluded number is 35
hope this helps!!!!
x1 +x2........+x6 is 30*6 180.......1
x1 +x2.........+x5 /5 is 29
x1 +x2.........+x5 is 29*5 145.........2
subtracting 2 from 1
we get
x6 is 180-145
therefore 35 x6
n the value of excluded number is 35
hope this helps!!!!
Similar questions