Out of 10 teachers of a school, one teacher retires and in place of him a new te

Question

Out of 10 teachers of a school, one teacher retires and in place of him a new teacher 25 years old joins. As a result of it average age of the teachers reduces by 3 years. Age of the retired teacher (in years) is -

Options:

A . 55

B . 65

C . 45

D . 75

Answer: Option A

Submit Your Solution Below and Earn Points !

Next Question

Submit Solution

More Questions on This Topic :

Question 1. The average of the first 100 positive integers is -....

Question 2. The mean of 50 numbers is 30. Later it was discovered that two entries were wrongly entered as 82 and 13 instead of 28 a....13 instead of 28 and 31. Find the correct mean.

Question 3. The average age of 11 players of a cricket team decreases by 2 months when two new players are included in the team repl....20 years. The average age of new players is :

Question 4. Average of n numbers is a. The first number is increased by 2, second one is increased by 4, the third one is increased ....so on. The average of the new numbers is -

Question 5. The average age of 30 boys in a class in 15 years. One boy, aged 20 years, left the class, but two new boys came in his ....15 years, the age of the younger newcomer is :

Question 6. The average of 8 numbers is 20. The average of first two numbers is $$15\frac{1}{2}$$ and that of the next three is $$21....4 and 7 respectively, them the eighth number is :

Question 7. The average age of a class of 39 students is 15 years. If the age of the teacher is included, then the average increases....increases by 3 months. Find the age of the teacher.

Question 8. The mean of 9 observation is 16. One more observation is included and the new mean becomes 17. The 10th observation is :....the new mean becomes 17. The 10th observation is :

Question 9. The average weight of first 11 persons among 12 persons is 95 kg. The weight of 12th person is 33 kg more than the avera....12 persons. The weight of the 12th person is :

Question 10. In the afternoon, a student read 100 pages at the rate of 60 pages per hour. In the evening, when she was tired, she rea....her average rate of reading the pages per hours ?

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0

Submit Solution

More Questions on This Topic :

Latest Videos

Latest Test Papers