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10 years ago, respective ratio of the age of mother and daughter was 4 : 1. 10 years later, the respective ratio of the age of mother and daughter will become 2 : 1. At present, what is the sum of their age?
5Q:
10 years ago, respective ratio of the age of mother and daughter was 4 : 1. 10 years later, the respective ratio of the age of mother and daughter will become 2 : 1. At present, what is the sum of their age?
- 155 yearsfalse
- 265 yearsfalse
- 370 yearstrue
- 475 yearsfalse
- 577 yearsfalse
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