Decode below three cipher riddles:

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

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

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

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

What can you deduce from the following BrainBat?

CRY
LMKI

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

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

Solve the puzzle by telling what does below picture means.

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?