Question

The average age of 15 students is 15 years. Out of these the average age of 5 students is 14 years and that of other 9 students is 16 years, then the age of 15" student is​

Answer 1

Answer:

11

Step-by-step explanation:

out of the 15 students there ages add up to 15x15=225 the 5 students combined age is 5x14=70 and the 9 students is 9x16=144 the remaining students age is 225-70-144=11