The average weight of 28 persons increases by 2
kg when a new person comes in place of one.
What is the difference between the weights of
the outgoing and incoming person?
(a) 66 (b) 56
(c) 76 (d) Data InadequateThe average weight of 28 persons increases by 2
kg when a new person comes in place of one.
What is the difference between the weights of
the outgoing and incoming person?
(a) 66 (b) 56
(c) 76 (d) Data Inadequate