Question

Mean of 5, 6, 7, 8, x and 4 is T. Then x =​

Answer 1

30+x=T

Explanation:

5+6+7+8+x+4=T or,30+x=T

Answer 2

x=6(T-5)

Explanation:

5+6+7+8+4+x=6T

=>30+x=6T

=>x=6(T-5)