Can you place six X (crosses) in below board without making three in a row in any way ?

What type of tree can I carry in my hand?

What seven-letter word has hundreds of letters in it?

Solve the mathematical equation in the picture below.

The dirtier I get, the whiter I look. Who am I?

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

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

What has one letter and starts with an E?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.