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प्रश्न
Mean of 5 numbers is 20 and the mean of the other 5 numbers is 30. Find the mean of all the 10 numbers taken together.
उत्तर
The mean of 5 number = 20
Then, mean of other 5 number = 30
∴ Mean =`(20+30)/2=50/2=25`
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संबंधित प्रश्न
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