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A class has 20 students with an average height of 150 cm. If a new student with

Practice Questions

Q1
A class has 20 students with an average height of 150 cm. If a new student with a height of 160 cm joins, what will be the new average height?
  1. 150
  2. 152
  3. 155
  4. 158

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A class has 20 students with an average height of 150 cm. If a new student with a height of 160 cm joins, what will be the new average height?
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