You need to arrange three 7 and mathematical symbols to form number 1?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

When is the top of a mountain similar to a savings account?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

You see me once in June, twice in November, and not at all in May. What am I?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

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?