Question

What is the class size of 100-120

Answer 1

Answer:

20 is class size..........

Answer 2

Given classes 100−120,120−140,160−180

class size = upper limit - lower limit

→100−120

class size =120−100=20

→120−140

Class size =140−120=20

→160−180

class size =180−160=20

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