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प्रश्न
Find the mean of first 10 even natural numbers.
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उत्तर
Given that,
The first 10 natural numbers be 2,4,6,8,10,12,14,16,18,20
∴ Mean = `"Sum of all Numbers "/"Total Numbers"`
`= (2 +4 +6 +8 +10 +12 +14 +16 +18 +20)/10 ` = `110/10`
`= 110/10` = 11
Mean = 11
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