Question

The mean of first 10 composite numbers is
(a) 11.4 (b) 112 (C) 12.2 (d) 11.2
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Answer 1

First 10 composite number 4,6,8,9,10,12,14,15,16,18

Mean = 4+6+8+9+10+12+14+15+16+18/10

= 112/10

= 11.2

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