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The average age of the mother and her six children is 12 years which is reduced by 5 years if the age of the mother is excluded. How old is the mother ?
Answer & Solution
Correct Answer:
Option
B
Age of the mother
= (12 × 7 - 7 × 6) years
= 42 years
= (12 × 7 - 7 × 6) years
= 42 years
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