Question

The mean of 10 articles is Rs 6. If the mean of 4 of these articles is Rs 7.5. Find the mean of other articles.​

Answer 1

mean of 10 article is equal to 6

means total of 10 article is 60

mean of 4 article is 7.5

means total of 4 articles is 7.5 *4 equal to 30

this is clear now that total of remaining 6 article is 30

so their mean is 30/5 = 6

6 is the answer

Answer 2

Answer:

Hello dear

how are you??