There are 20 students with an average height of 105 cms in a class. Then 10 students with an average height of 120cms join the class. What will be the average height of the class now?

A ) 100cms

B ) 110cms ✅

C ) 120cms

D ) 13cms

Related Questions
  1. There are four numbers. Average of the first three is 15 and that of the last three is 16. If the Last number is 19 find the first number
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  5. Naveed Ahmad spends RS 400 in getting a good table and sells it at RS 600. Find the percentage of profit?
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