The average height of 74 students in a class is 168 cm out of which – McqOptions

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1.	The average height of 74 students in a class is 168 cm out of which 42 students had an average height of 170 cm. Find the average height of the remaining 32 students.
A.	165
B.	145
C.	175
D.	155
Answer» B. 145

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