CAT Question Paper | CAT Verbal Ability Slot
This is the heart of the forum—where offbeat thoughts, campus memes, random rants, success stories,...
2881
10 months ago
Question :
The total number of possible congurations using beads of only two colours is:
Answer : 2
Explanatory Answer
Rules:
• Adjacent beads of different colours
• At least one green bead between any 2 blue beads
• At least one green & at least one blue bead between any 2 red beads
It is clear that using Red would require the other 2 colours too. Hence, combinations of Red +
Blue and Red + Green are not possible.
Using Blue + Green combination:
2 arrangements are possible
