JEE MATHEMATICS MCQ: PERMUTATIONS

1 Medium

1 of 1

Application +4 | -1

Total number of positive integral solutions of

15 < x_1+x_2+x_3 \leq 20

is equal to

View answer and explanation

Correct option: D

685

Option D (685) is correct because it calculates the total number of positive integral solutions for the given inequality by summing the solutions for each possible sum value.

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