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Maths Puzzle
The Average age of a class of 22 subjects in 21 years. The average increased by 1 when the teacher's age also included. What is the age of the teacher?
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- 44 years.. sum without teachers age is 21 * 22 and with teachers age is 22 * 23 so 22* 23 - 22 *21 = 22 * 2 = 44
- 11 years agoHelpfull: Yes(0) No(0)
- The average age of a class of 22subjects in 21 years=22*21
- 9 years agoHelpfull: Yes(0) No(0)
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