Solution: Find the total number of combinations of three letters, J, R, T taken 1, 2, 3 at a time.

Find the total number of combinations of three letters, J, R, T taken 1, 2, 3 at a time.

Problem Statement: EE Board October 1997

Find the total number of combinations of three letters, J, R, T taken 1, 2, 3 at a time.

There are 7 combinations of three letters, J, R, T taken 1, 2, 3 at a time.

Solution:

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