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10th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-8

  • question_answer
    If the first, second and last the terms of an A.P, be a, b, 2a respectively, then its sum will be

    A)  \[\frac{ab}{b-a}\]                     

    B)  \[\frac{ab}{2\,(b-a)}\]

    C)  \[\frac{3ab}{2\,(b-a)}\]

    D)  \[\frac{3ab}{4\,(b-a)}\]                   

    E)  None of these

    Correct Answer: C

    Solution :

    Not Available                


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