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Ashok's age is $\left (\frac{1}{6} \right)^{th}$ of his father's age. The father's age will be twice of Kamal's age after $10$ years. If Kamal's eighth birthday was celebrated $2$ years before, what is Ashok's present age ?

  1. $24$ years
  2. $30$ years
  3. $\frac{20}{3}$ years
  4. None
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If Kamal's eighth birthday was celebrated $2$ years before then it means Kamal’s current age is $10$ years,

After $10$ years, Kamal’s age would be $10+10 = 20$ years, and father’s age will be twice this,

Father’s age after $10$ years will be $2\times 20 = 40$ years.

Father’s current age is $40-10 = 30$ years,

Ashok’s  present age is $\frac{1}{6} \times 30 = 5$ years.

Option D is correct.

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Ashok’s  present age is 30/6 = 5 years

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