the average age of 14 girls and their teacher's age is 15 yr. if teacher's age

Question

the average age of 14 girls and their teacher's age is 15 yr. if teacher's age is excluded then the average reduced by 1. what is the teacher's age?

Options:

A . 27 years

B . 28 years

C . 29 years

D . 30 years

Answer: Option C
Explanation :

Was this answer helpful ?

Next Question

More Questions on This Topic :

Question 1. the average of 10 number is calculate as 15. it is discovered later on that while calculating the average one number ,....was wrongly read as 26. the correct average is ?

Question 2. the average of class in 35 yr. 6 new students with an average age of 33 yr. joined in that class, there by decreasing ....by half year. the original strength of the class was

Question 3. the average weight of 21 boys was recorded as 64kg. if the weight of the teacher was added, the average increased by o....average increased by one kg. what was the teacher's weight?

Question 4. the average of class in 35 yr. 6 new students with an average age of 33 yr. joined in that class, there by decreasing ....by half year. the original strength of the class was

Question 5. the mean weight of 34 students of a school is 42 kg. if the weight of the teacher be included the mean rises by 400g. ....mean rises by 400g. find the weight of the teacher?

Question 6. the average of 10 number is calculate as 15. it is discovered later on that while calculating the average one number ,....was wrongly read as 26. the correct average is ?

Question 7. the mean weight of 34 students of a school is 42 kg. if the weight of the teacher be included the mean rises by 400g. ....mean rises by 400g. find the weight of the teacher?

Question 8. the average of 10 number is calculate as 15. it is discovered later on that while calculating the average one number ,....was wrongly read as 26. the correct average is ?

Question 9. the average age of 14 girls and their teacher's age is 15 yr. if teacher's age is excluded then the average reduced by....the average reduced by 1. what is the teacher's age?

Question 10. the average of 5 consecutive number is n , if the next two number are also include, the average of 7 number will ?....

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