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NTSE Sample Paper NTSE MAT Practice Test-20

  • question_answer
    Directions for Questions - Complete the given number series.
    Find out the missing number in the following sequence 5, 13, 29, 61, 125, ...

    A)  252          

    B)  253

    C)  255          

    D)  254

    Correct Answer: B

    Solution :

     The logic \[\times \text{ }2+3.\] \[5\times 2+3=13;\text{ }13\times 2+3=\text{ }29,\text{ }29\times 2+3\text{ }=\]\[61,\,61\text{ }\times \text{ }2+3=\text{ }125.\] \[\therefore \] Next term is \[125\times 2+3=253.\] Hence the answer is [b].


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