What question can you never answer yes to?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

They are three errirs in this question. Can you find them?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?