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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-21

  • question_answer
    A solid cube of 7 cm edge, cut in small cubes. The height of one of the small, cube is 1cm. How many small cubes are there?

    A)  341                             

    B)  25

    C)  216                             

    D)  343

    Correct Answer: D

    Solution :

     Short-cut: Total number of cubes = n3 \[\Rightarrow \,\,\,{{7}^{3}}[n-7]=\underline{\mathbf{343}}\] Here 'n' is the height of Solid Cube.


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