8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-9

  • question_answer
    Three cubes of metal with edges 3 cm, 4 cm and 5 cm respectively are melted to form a single cube. Find the lateral surface area of the new cube so formed.

    A)  \[267\,c{{m}^{2}}\]               

    B)  \[284\,c{{m}^{2}}\]

    C)  \[224\,c{{m}^{2}}\]               

    D)  \[144\,c{{m}^{2}}\]

    E)  None of these

    Correct Answer: D


You need to login to perform this action.
You will be redirected in 3 sec spinner