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10th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-9

  • question_answer
    Find the sum of the first 25 terms of the A.P whose 2nd term is 9 and 4th term is 21.

    A)  1740               

    B)  1470

    C)  1720                           

    D)  1875

    E)  None of these

    Correct Answer: D

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