Hard Math Class 9 Level 2

The mean of 6 observations is 14 and the mean of first 5 observations is 12. What is the sixth observation?

6 प्रेक्षणों का माध्य 14 है और पहले 5 प्रेक्षणों का माध्य 12 है। छठा प्रेक्षण क्या होगा?

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Correct Answer

C. 24 / 24

Explanation

The sum of 6 observations is 84 and the sum of first 5 is 60. The sixth observation is 24.

6 प्रेक्षणों का योग 84 और पहले 5 का योग 60 है। छठा प्रेक्षण 24 होगा।

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