Question A – Chemistry

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilled some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead.

What killed him?

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Question B – CS

Suppose that the following statements are true:
1. If it rains outside or Charlie fails his exam, he feels sad.
2. If Charlie feels sad and it rains outside, he practices
programming at home.
3. If Charlie feels sad and it does not rain outside, he rides a bike.
4. Charlie practices programming at home.

Which of the following statements must then be true?

i. Charlie rides a bike
ii. It does not rain outside
iii. Charlie does not feel sad

A. i only
B. ii only
C. iii only
D. None of them

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