Quantitative Aptitude Ques 113
Question: The average age of 11 cricket players is 20 yr. If the age of the coach is also included, then the average age increases by 10%, The age of the coach is
Options:
A) 48 yr
B) 44 yr
C) 40 yr
D) 36 yr
Show Answer
Answer:
Correct Answer: B
Solution:
- Given, average age of 11 players = 20
$ \therefore $ Sum of the ages of players $ =20\times 11=220 $ According to the question, $ \frac{220+\text{Coach }’\text{ s},age}{12}=20+\frac{20\times 10}{100} $
$ \Rightarrow $ 220 + Coach’s age $ =22\times 12=264 $
$ \therefore $ Coach’s age $ =264-220=44,yr $
BETA
