Can you fill the blank with the correct number?

6 30 870 756030 _____

What number when divided in half becomes zero?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Which letter of the alphabet has the most water?

Which tank will fill first?

Can you identify the famous TV character from the rebus below?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

What can go up a chimney down, but can’t go down a chimney up?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

I am an odd number. Take away a letter and I become even. What number am I?