I am reposting this since I didn't get an answer :(

Question

37. Two of the following proverbs have similar meanings. Which ones are they?
1. Every effect becomes a cause.
2. The cautious seldom make mistakes.
3. Two dogs will kill a lion.
4. A threefold cord is not quickly broken.
5. Water falling day by day wears the hardest stone away.

my guess was 3,4

Answer 1

Go to the head of the class, you are right. In engineering, the basic rule of reliability engineering is that redundancy matters. However, redundancy increases costs, so the fight is on over the "quality" of the product, and the "make it cheaper" folks.

Answer 2

I agree.

Answer 3

thank you for the help :)