Question

The average of 10 numbers is 36 when
one more number is added to them,
the new average is 38. which is the
numbers added? ​

Answer 1

Answer:

Avg = 36

.

No. of digit = 10

.

Therefore, Total = 36×10

= 360

.

.

New Avg = 38

.

New No. of digit = 11

.

Therefore, New total = 38×11

= 418

.

Therefore, the no. added = 418 - 360

= 58

.

Ans:- The new no. is 58

Answer 2

Step-by-step explanation:

Mean = sum of observations / number of observations

Given,

36 = sum of observations / 10

Sum of observations = 360

Now one more number is added

so,

38 = sum of observations /11

sum of observations = 418

So the number added = 418 - 360 =58