the mean of 16numbers is 10 if 2 is added to every no. ,then whatever will be new mean
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Let the numbers be a, b, c, d,..... p, and so on such that all 16 numbers can be represented.
Therefore a + b + c + d+..... +p/16 = 10
Now adding 2 to each number :
(a+2) + (b+2) + (c+2) .........(p+2)/16 = 10
We can write it as:
2+(a + b + c + d+..... +p) /16 = 10
2+(a + b + c + d+..... +p) = 160
Therefore new mean is 158 answer.
Hope it helps :))
Let the numbers be a, b, c, d,..... p, and so on such that all 16 numbers can be represented.
Therefore a + b + c + d+..... +p/16 = 10
Now adding 2 to each number :
(a+2) + (b+2) + (c+2) .........(p+2)/16 = 10
We can write it as:
2+(a + b + c + d+..... +p) /16 = 10
2+(a + b + c + d+..... +p) = 160
Therefore new mean is 158 answer.
Hope it helps :))
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