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Find the mean of ist 30 …

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Find the mean of ist 30 natural number

Posted by Prajwal Varpe 3 years, 9 months ago

CBSE > Class 10 > Mathematics

2 answers

Ayushi Gupta 3 years, 8 months ago

mean = 1 + 2 + 3.... 29 + 30 a = 1 d = 1 n = 30 Sum = n/2 (2a + (n-1) d) Sum = 30/2 (2 + (30-1)×1) Mean = 15 × 31 Mean = 465..

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Ishta Mahour 3 years, 9 months ago

15.5

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CBSE > Class 10 > Mathematics