NIMCET 2017 Reasoning PYQ — A Cube is made up of 125 one cm. square cubes placed on a table .… | Mathem Solvex | Mathem Solvex
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NIMCET 2017 — Reasoning PYQ
NIMCET | Reasoning | 2017
A Cube is made up of 125 one cm. square cubes placed on a table . How many squares are visible onlyon three sides ?
Choose the correct answer:
A.
4
(Correct Answer)
B.
8
C.
12
D.
16
Correct Answer:
4
Explanation
Total cubes = 125 The only cubes present at the upper face and four corners of cube that will be visible to three sides of cube. A cube is formed by 11 cube horizontally and 11 cube vertically and remaining 4 cube will be visible. number of cubes required to make largest possible cube = 11 × 11 = 121 ∴ Remaining cube = 125 - 121 = 4
Explanation
Total cubes = 125 The only cubes present at the upper face and four corners of cube that will be visible to three sides of cube. A cube is formed by 11 cube horizontally and 11 cube vertically and remaining 4 cube will be visible. number of cubes required to make largest possible cube = 11 × 11 = 121 ∴ Remaining cube = 125 - 121 = 4
