Eight of us go fourth, not back, to protect our king from an attack. What are we?

What's the next in the series?

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

Who is that with a neck and no head, two arms and no hands? What is it?

I have eight fingers and two thumbs but I do not live. What Am I?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

What occurs twice in a week, once in a year but never in a day?

In the given picture, in how many ways can you read the word "Tiger"?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?