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Cube and Cuboid - Verbal and Reasoning

Directions to SolveThe following questions are based on the information given below:
  1. There is a cuboid whose dimensions are 4 x 3 x 3 cm.
  2. The opposite faces of dimensions 4 x 3 are coloured yellow.
  3. The opposite faces of other dimensions 4 x 3 are coloured red.
  4. The opposite faces of dimensions 3 x 3 are coloured green.
  5. Now the cuboid is cut into small cubes of side 1 cm.
Q1:

How many small cubes will have only one face coloured ?

A 10

B 12

C 14

D 18

ANS:A - 10

Number of small cubes having only one face coloured = 2 x 2 + 2 x 2 + 2 x 1 = 4 + 4 + 2 = 10