How can you write nineteen in a manner that if we take out one, it becomes twenty?

what does this below rebus represent identXQQQQQME

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Which number comes next in the number series?

2, 9, 30, 93, ?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Why do people go to bed?

What question can you never answer yes to?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?