Question

An observation have x/5, x, x/4, x/2, x/3 have median 10 then find mean?

Answer 1

$x + 5 + x +x + 4 + x + 2 + x + 3 \div 10 \\ 5x + 14 \div 10 \\ x = - 7 \\ - 7 + 5 + ( - 7) + ( - 7) + 4 + ( - 7) + 2 + ( - 7) + 3 \div 10 \\ - 35 + 14 \div 10 \\ = - 7 + 7 =$