the average age of 45 students in a class in 13 yr, 15 new students with an av

Question

the average age of 45 students in a class in 13 yr, 15 new students with an average age of 18 yr join the class. what is the average age of all the students in the class?

Options:

A . 14.25 years

B . 16. 25 years

C . 18.25 years

D . 20.25 years

Answer: Option A
Explanation :

Was this answer helpful ?

Next Question

Submit Solution

More Questions on This Topic :

Question 1. the average of x1, x2 and x3 is 14. twice the sum of x2 and x3 is 30. what is the value of x1 ?....

Question 2. out of the three annual examinations, each with a total of 500 marks, a student secured average marks of 45% and 55% i....annual examinations. to have an overall average of 60%, how

Question 3. out of the three annual examinations, each with a total of 500 marks, a student secured average marks of 45% and 55% i....annual examinations. to have an overall average of 60%, how

Question 4. the average of 5 observation is 15. if three new observation 16.5, 18 and 14.5 be added. then find the new average.....

Question 5. the average age of 45 students in a class in 13 yr, 15 new students with an average age of 18 yr join the class. what ....the average age of all the students in the class?

Question 6. the average marks of 120 students are 35. if the average of passed stuydents was 39. and failed students was 15 then f....15 then find the number of students who have passed

Question 7. the average of x1, x2 and x3 is 14. twice the sum of x2 and x3 is 30. what is the value of x1 ?....

Question 8. the average of 5 observation is 15. if three new observation 16.5, 18 and 14.5 be added. then find the new average.....

Question 9. the average of x1, x2 and x3 is 14. twice the sum of x2 and x3 is 30. what is the value of x1 ?....

Question 10. the average age of 45 students in a class in 13 yr, 15 new students with an average age of 18 yr join the class. what ....the average age of all the students in the class?

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