Math, asked by bhaktivid01, 7 months ago

The average age of five persons in a group is 18 years.A new member joins them & the new average age becomes 25 years less than the age of the new member. What is the age of new member?

Answers

Answered by shashwat170599
0

Answer:

48

Let assume 5 persons be a, b, c, d, e now

a+b+c+d+e/5 = 18

a+b+c+d+e = 18 * 5 = 90

a+b+c+d+e+f/6 = f - 25

90+f/ 6 = f- 25

90+ f = 6f - 150

F =48

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