Question

The ages of 7 family members are 2, 5, 12, 18,
38, 40 and 60 years respectively. After 5 years
a new member aged x years is added. If the
mean age of the family now goes up by
f
1
1.5 years, then what is the value of x?
(a)
1
(b) 2
(c)
3
(d) 4.​

Answer 1

Answer:

B. 2

Step-by-step explanation:

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