Find the next number in the sequence

1, 2, 6, 21, 88, __?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

Given that

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

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Can you find the thief by just looking at the picture below?

What's a single-digit number with no value?

Can anyone tell me a word in the English dictionary which has a silent 'z'?