I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

Using eight eights and addition only, can you make 1000?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Complete the table series riddle by finding the number that can replace "??".

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

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