The average age of a man and her daughter is 40 years. The ratio of – McqOptions

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1.	The average age of a man and her daughter is 40 years. The ratio of their ages is 6 : 2 . Then what is the daughter's age (in years) ?
A.	20 years
B.	21 years
C.	22 years
D.	23 years
Answer» B. 21 years

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