Question

The average age of 5 students is 10 years.A students aged 14 drops out.Find the new averge age of remaining 4 students.​

Answer 1

Answer:

9

Step-by-step explanation:

given,

avg age of 5 students =10

i.e n1+n2+n3+n4+n5/5=10

n1+n2+n3+n4+n5=50.

now, a student of age 14 has dropped out ,,,

i.e the sum reduces by 14=50-14=36

the mean is (new)=36/4=9

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