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

  • 159
  • 150
  • 142
  • 148
  • 155
  • Explanation:

    Height of the teacher = 17×143-16×142

    =2431-2272

    =159 cm

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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 av
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