Question

the arthemetic mean of 4 and another number is 10. find the other number​

Answer 1

Answer:

see the attachment for the answer

Answer 2

Answer:

If a, b, c are in AP then,

Arithmetic Mean b = a+c

2

so, let c be another number and b be arithmetic mean then

10 = 4+c/2

10×2 = 4+c

20 = 4+c

c = 20-4

c = 16