Verbal Reasoning - Cube and Cuboid - Discussion
Discussion Forum : Cube and Cuboid - Cube and Cuboid 8 (Q.No. 1)
Directions to Solve
There are 128 cubes with me which are coloured according to two schemes viz.
- 64 cubes each having two red adjacent faces and one yellow and other blue on their opposite faces while green on the rest.
- 64 cubes each having two adjacent blue faces and one red and other green on their opposite faces, while red on the rest. They are then mixed up.
1.
How many cubes have at least two coloured red faces each ?
Answer: Option
Explanation:
64 and 64 cubes of both types of cubes are such who have at least two coloured faces red each.
Therefore, total number of the required cubes is 128.
Discussion:
11 comments Page 2 of 2.
Bhanu said:
1 month ago
1st 64 cubes have 2 red color faces and 2nd 64 cubes have 3 red color faces.
The question at least 2 color faces of red = 64 (from 1st 64 cubes) + 64 (from 2nd 64 cubes) =>128.
The question at least 2 color faces of red = 64 (from 1st 64 cubes) + 64 (from 2nd 64 cubes) =>128.
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