There are 50 numbers. Each number is subtracted from 53 and the mean of the number so obtained is found to be `=3.5`. The mean of the given number is

There are 50 numbers. Each number is subtracted from 53 and the mean of the numbers so obtained is found to be -3.5. The mean of the given number is:

There are 50 numbers. Each number is subtracted from 43 and the mean of the numbers so obtained is found to be 5. The mean of the given numbers is

There are 50 numbers. Each number is subtracted from 53 and the mean of the numbers so obtained is found to be -3.5. Find the mean of the given numbers.

When 2 is subtracted from each of the given n numbers, the sum of the numbers so obtained is 102. When 5 is subtracted from each of them, the sum of the numbers so obained' is 12. What is the average of the given n numbers ?

The mean of 10 number is 25. if 5 is subtracted from each other find the new mean.

The mean of 10 numbers is 7 . If each number is multiplied by 1 then the mean of new set of numbers is

The mean of 5 numbers is 10 . If 3 decrease each number , find the mean of the new number .