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Q1. | The Average age of a class of 22 students is 21 years. The average increased by 1 when the teacher's age also included. What is the age of the teacher? |

A. | 44 [Correct Answer] |

B. | 45 [Wrong Answer] |

C. | 48 [Wrong Answer] |

D. | 50 [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss it below :Total age of all students = 22×21 Total age of all students + age of the teacher = 23 × 22 Age of the teacher = 23×22 – 22×21 = 22(23-21) = 22×2 = 44 !! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

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