If it took eight men ten hours to build a wall, how long would it take four men to build it?

What demands an answer, but asks no questions

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

What begins with T, ends with T, and has T in it?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

Find the hidden tiger in the given optical illusion ?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?