Question : The average age of 14 friends is 14 years. If the age of $15^{\text {th }}$ friend is added, then the average remains the same. What is the age of the $15^{\text {th }}$ friend?
Option 1: 15 years
Option 2: 18 years
Option 3: 14 years
Option 4: 12 years
New: SSC CHSL tier 1 answer key 2024 out | SSC CHSL 2024 Notification PDF
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
New: Unlock 10% OFF on PTE Academic. Use Code: 'C360SPL10'
Correct Answer: 14 years
Solution : The average remains unaffected if a value equal to the average is added to the group. Hence, the correct answer is 14 years.
Candidates can download this e-book to give a boost to thier preparation.
Result | Eligibility | Application | Admit Card | Answer Key | Preparation Tips | Cutoff
Question : The average age of 30 students in a class is 12 years. The average age of a group of 5 of the students is 10 years and that of another group of 5 of them is 14 years. The average of the remaining students is:
Question : If the average age of Ram, Raman, and Rohan is 23 years and the average age of Raman and Rohan is 27 years, then find Ram's age 5 years ago.
Question : The average age of a team having 12 players is 24 years. If the age of the coach is also included, then the average age increases by 2 years. What is the age of the coach?
Question : The average age of P, Q, and R is 5 years more than R's age. If the total ages of P and Q together is 39 years, then R's age is:
Question : The average age of 24 students is 12 years. It was observed that while calculating the average age, the age of a student was taken as 14 years instead of 8 years. What will be the correct average age (in years)?
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile