Question

The class mark of the class 120–150 is

a)120 b)130 c)135 d)150​

Answer 1

The answer of this question is 135

Answer 2

Answer:

class marks = upper limit + lower limit/2

Insert the values upper limit = 150 ,

lower limit = 120

= 150 + 120 / 2

= 270/2= 135

So correct answer is (c) 135

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