self Maths Puzzle

0.
A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 8 m, the volume of the box (in m3) is:

A. 4830 B. 5120
C. 6420 D. 8960

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self Other Question


A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:

A. 49 m2 B. 50 m2
C. 53.5 m2 D. 55 m2
.
The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.

A. 3 : 7 B. 7 : 3
C. 6 : 7 D. 7 : 6