Question

pls tell the answer given in the picture shown

Answer 1

I think it will 55.5 as
average weight of children makes 35.5
after adding weight of teacher
average becomes 36

Answer 2

Answer. 56

Step-by-step explanation:x/40=35.5

So value of x=35.5*40=1420

After adding teacher weight new mean is 36.

So X/41=36 value of new mean is x=41*36=1476

Weight of teacher is 1476-1420=56