# Thread: Two Riddles from http://www.straitstimes.com/news/singapore/education/story/solved-ch

1. A travelled from North to South at 6km/hr. B travelled from South to North at 4km/hr. When A and B meet, who is closer to the North?

2. Originally Posted by wkeej
A travelled from North to South at 6km/hr. B travelled from South to North at 4km/hr. When A and B meet, who is closer to the North?
They're at the same place, so they're equidistant to the north.

3. Originally Posted by pannonian
They're at the same place, so they're equidistant to the north.
Yes, correct.

4. Add 1 line to make the equation true:
5+5+5+5 = 555

P.S. You cannot cancel the equal sign.

5. Can't understand this riddle's answer. Can someone help?
Why are manhole covers round?
Ans: If you put a square cover on a manhole at the wrong angle, it will immediately fall down. This will not happen with a round cover.
My reaction: Isn't there square manholes and square covers nowadays?

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