GATE | GATE CS Mock 2018 | Set 2 | Question 6

What is the number of solutions for the inequality- x_1 + x_2 + x_3 \leq 11 where x_1, x_2,x_3 are integers greater than 0?

(A) 182
(B) 364
(C) 78
(D) 440


Answer: (B)

Explanation: Refer- PnC

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