Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What Adam and Eve do not have but the rest of the people have?

Which is the smallest number that you can write using all the vowels exactly once?

What does it mean?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.