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Q. The number of different die (dice ) that can be made having the property that the numbers on opposite faces are consecutive natural numbers among $1,2,3,4,5,6$ is $2n$ , then the value of $n$ =

NTA AbhyasNTA Abhyas 2022

Solution:

There will be only 2 such possibilities.
As opposite faces will have consecutive numbers, so if we start with 1, then the left of 1 can be 3 or 5.