The age of a mother 10 years ago was thrice the age of her son. 10 years hence, the mother's age will be twice that of 9 her son. The ratio of their present ages is :

The age of a mother 10 years ago was thrice the age of her son. 10 yea

1.	The age of a mother 10 years ago was thrice the age of her son. 10 years hence, the mother's age will be twice that of 9 her son. The ratio of their present ages is :
A.	12 : 5
B.	6 : 1
C.	7 : 3
D.	4 : 2
Answer» D. 4 : 2

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The age of a mother 10 years ago was thrice the age of her son. 10 years hence, the mother's age will be twice that of 9 her son. The ratio of their present ages is :

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