Question

. ,
In a team of 8 students, 2 students of the
age 15 years and 13 years have replaced with
another two students. By replacing these two
students the average age of students of the
team is also increased 2 years. What will be
the average age of these 2 students.
(1) 15 years​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Let the average age of 8 persons be x years

Then total age of 8 persons =8x

Also let y1 and y2 be the ages of the two women who replaced the two men

Then = 8x−35−45+(y1+y2)/8 = x+2

⇒8x−80+y1+y2=8x+16

⇒y1+y2=96

Therefore, average age of the two women

= y1+y2/2= 96/2

=48 years