The mean of 6 numbers is 32. If one of the numbers is excluded, the mean reduces by 2. The excluded
number is
(a) 36
(b) 42
(c) 44
(d) 40
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Answer:
Step-by-step explanation:
32 = x/6
6*32 = x
192 = x
new mean = 32-2 = 30
then , 30 = x/5
30*5 = x
150 = x
192-150 = 42
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