The average height of 21 girls is 148 cm. was recorded. Adding the hei – McqOptions

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1.	The average height of 21 girls is 148 cm. was recorded. Adding the height of the teacher, the average increases by 1. What is the height of the teacher?
A.	none of these
B.	170 सेमी.
C.	168 सेमी.
D.	156 सेमी.
Answer» C. 168 सेमी.

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