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SSC Sample Paper Mock Test-13 SSC CGL Tear-II Paper-1

  • question_answer
    In order to fix an electric pole along a roadside, a pit with dimensions \[50\,\,\text{cm}\times 50\,\,\text{cm}\] is dug with the help of a spade. The pit is prepared by removing Earth by 250 strokes of spade. If one stroke of spade removes \[500\,\,\text{c}{{\text{m}}^{3}}\] of Earth, then what is the depth of the pit?

    A) 2 m      

    B)  1 m    

    C)  0.75 m

    D)  0.5 m

    Correct Answer: D

    Solution :

    Let A be the depth of the pit. \[\therefore \] Volume of Earth dug \[=500\times 250\,\,\text{c}{{\text{m}}^{3}}\] = 125000 cu cm But volume of pit \[=50\times 50\times h\] \[\therefore \]\[h=\frac{125000}{50\times 50}=50\,\,\text{cm}=0.5\,\,\text{m}\]


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