The mean of n numbers is M. If 1 is added to the first number, 2 is added to the second number, …, n is added to the nth number then the new mean is |
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(a) |
M + |
(b) |
M + |
(c) |
M + n |
(d) |
None of these |
The mean of n numbers is M. If 1 is added to the first number, 2 is added to the second number, …, n is added to the nth number then the new mean is |
|||||||
(a) |
M + |
(b) |
M + |
(c) |
M + n |
(d) |
None of these |