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Seven years from now, Anamika will be as old as Malini was 4 years ago. Srinidhi was born 2 years ago. The average age of Anamika, Malini and Srinidhi 10 years from now will be 33 years. What is the present age of Anamika?

Options

  1. A30 years
  2. B29 years
  3. C28 years
  4. D31 years

Correct answer

C. 28 years

Step-by-step solution

Let the present age of Anamika be (A ), Malini be (M ) and that of Srinidhi be (S ). The, according to the question: 1) Seven years from now, Anamika will be as old as Malini was 4 years ago. ( aligned & A+7=M-4 & M=A+11 & S=2 years aligned ) And, 2) Srinidhi was born 2 years ago. The average age of Anamika, Malini and Srinidhi 10 years from now will be 33 years. ( aligned & (A+10+M+10+S+10) 3 =33 & A+M+S+30=33 3 & A+M+S=99-30 & A+M+S=69 aligned ) Now, by substituting the above values, ( aligned & A+(A+11)+2=69 & 2

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