Which tank will fill first?

Count the number of balls in picture below:

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?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

A father's child, a mother's child, yet no one's son.

Who am I?