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Find the mean of the first 10 consecutive odd numbers.
11
13
15
10
first 10 consecutive odd numbers are : 1,3,5,7,9,11,13,15,17,19.
Total=$$1+3+5+7+9+11+13+15+17+19=100.$$
So, required mean=$$\frac{100}{10}=10.$$
D is correct choice.
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