# 5 Questions packed into one Question

Algebra Level 2

For statements that is correct, type 1. For statements that is incorrect, type 2. For statements that is partially correct, type 3. So the answer is a 5-digit number  1) $${ (50) }_{ 5 }\quad =\quad { (100) }_{ 5 }$$  2) $$\int _{ -1 }^{ 1 }{ n } dx\quad =\quad 0$$  3) $$123456789$$ is divisible by all integers from 1 to 9  4) The previous answers are a perfect square  5) $$\sum _{ x = 1 }^{ n }{ x } \quad =\quad \frac { n\quad (n\quad +\quad 1) }{ 2 }$$

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