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The average height of 16 students in a class is 142 cm. If the height of the teacher is added the average increases by 1 cm. What is the height of the teacher in cm? 
  • a)
    159  
  • b)
    150
  • c)
    142  
  • d)
    148
  • e)
    155 
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The average height of 16 students in a class is 142 cm. If the height ...
Height of the teacher = 17*143−16*142
= 2431 - 2272 = 159 Cm
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Community Answer
The average height of 16 students in a class is 142 cm. If the height ...

Given Information:
- Average height of 16 students = 142 cm
- When teacher's height is added, average height increases by 1 cm

Calculating Total Height of 16 Students:
- Total height of 16 students = Average height * Number of students
- Total height of 16 students = 142 cm * 16 = 2272 cm

Calculating Total Height of 16 Students and Teacher:
- Total height of 16 students and teacher = Average height with teacher * Total number of people
- Total height of 16 students and teacher = (142 cm + 1 cm) * 17 = 143 cm * 17 = 2431 cm

Finding Height of the Teacher:
- Height of the teacher = Total height of 16 students and teacher - Total height of 16 students
- Height of the teacher = 2431 cm - 2272 cm = 159 cm

Therefore, the height of the teacher is 159 cm. So, option A is the correct answer.
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The average height of 16 students in a class is 142 cm. If the height of the teacher is added the average increases by 1 cm. What is the height of the teacher in cm?a)159b)150c)142d)148e)155Correct answer is option 'A'. Can you explain this answer?
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