The average age of 16 students is 15 years . When a boy of age 18 years leaves; What will be the average age of remaining 15 students ?
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Answered by
2
Average of 16 students for 15 years = 15 * 16 = 240
One boy aged 18 is left and the average of 15 students = 240
– 18
=
222/ 15
=
14.8
The average age of 15 students is 14.8
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Answered by
2
Age of students=15*16=240
Age of student left=18
Average now=240-18
=total/no.of students
=222/15
=14.8
Age of student left=18
Average now=240-18
=total/no.of students
=222/15
=14.8
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