Question

Find the class marks of 120-150

Answer 1

Answer:

Class marks= 120 + 150 / 2

                    =270 / 2

                    =135

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Answer 2

Answer:

Step-by-step explanation:

Class mark =( upper class limit + lower class limit )/ 2

(120 + 150 ) / 2

= 270 / 2

= 135

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