Can you place three balls such that the equation shown in the picture holds true?

Given that

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

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Count the squares in the matchstick puzzle below?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

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

Which is the smallest number that you can write using all the vowels exactly once?

John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
He gave the following answer to him:
If you count in pairs, one remains
If you count in threes, two remain
If you count in fours, three remain
If you count in fives, four remain
If you count in sixes, five remain
If you count in sevens, no chocolate remains.

Can you analyze the statements and tell us how many chocolates were lost?

I am quite hot but become too cold if you remove the first two letters. What am I?

what does the below rebus mean?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?