Practicing Success
Practicing Success
CUET Preparation Today
A cube painted Green on all faces is cut into 27 small cubes of equal size. How many small cubes are pained on one face only ? |
12 8 6 1 |
6 |
The correct answer is option (3) : 6 SIZE OF SMALLER CUBES = 27 CM NUMBER OF LAYERS = 3 × 3 × 3 (EQUALLY CUT) THEREFORE N = 3 For 1 side painted cubes , formula is: = 6 (n - 2)2 = 6 (3 - 2)2 = 6 (1)2 = 6 |
