The average age of the mother and her 6 children is 12 years which is reduced by 5 years if the age of the mother is excluded. How old is the mother?	Options.
A) 42 years	B) 40 years	C) 48 years	D) 50 years	E) None of these
Total age of the mother and six children = 12 × 7 = 84 years.   Total age of six children = 7 × 6 = 42 years. (since average is reduced by 5)   Mother is 42 years old.   42 yearsNSWER:42 years
<result>A</result>
The average age of the mother and her 6 children is 12 years which is reduced by 5 years if the age of the mother is excluded. How old is the mother?