Find the Mean of First Five Multiples of 3. - Mathematics

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Find the mean of first five multiples of 3.

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Solution

First five multiple of 3: 3, 6, 9,12,15

∴ Mean = `"Sum of Numbers "/"Total Numbers"`

           = `(3 + 6 + 9 +12 +15) / 5`

           = ` 45 / 5 = 9`

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Chapter 24: Measures of Central Tendency - Exercise 24.1 [Page 9]

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RD Sharma Mathematics for Class 9
Chapter 24 Measures of Central Tendency
Exercise 24.1 | Q 7 | Page 9

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