The average height of a group of 12 boys increases by 2 inches when – McqOptions

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1.	The average height of a group of 12 boys increases by 2 inches when a boy of height 52 inches is replace by another boy. What is the height of the new boy?
A.	75 Inches
B.	76 Inches
C.	77 Inches
D.	78 Inches
Answer» C. 77 Inches

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