The average age of husband and wife who were married 7 years ago was 25 years then. The average age of the family including the husband, wife and the child born, during the interval is 22 years now. How old is the child now?
A) 2 years
B) 7 years
C) 4 years
D) 3 years
Answers
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60
Answer:
In physiology, respiration is the movement of oxygen from the outside environment to the cells within tissues, and the removal of carbon dioxide in the opposite direction. ... In contrast, exhalation (breathing out) is usually a passive process.
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Step-by-step explanation:
The average age of the family including the husband, wife and the child born, during the interval is 22 years now. How old is the child now? Description for Correct answer: Total age of husband and wife, 7 years ago = 25×2 = 50 years.
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