When a girl was 7, her sister was 14, now the girl is 10. How old is her sister now?

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When a girl was 7, her sister was 14, now the girl is 10. How old is her sister? puzzle

Question: When a girl was 7, her sister was 14, now the girl is 10. How old is her sister now?-Puzzle

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Correct Answer: 17

Condition 1: 

Girl age = 7

Sister age = 14

So here age difference is 7 years

Condition 2:

Girl age =10

so Sister age = Girl age + 7=10+7=17

Hence Sister age is 17

 

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