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ATQ, Let the present age of the mother be x years. So, the present age of the father = x+3 years. Sum of the present age of the five children = 10×5=50 years. Sum of the present age of the whole family = 50+x+(x+3)=17×7. 2x+3=119−50 2x=66 x=33 Therefore, the present age of the mother = 33 years.
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