Find the next number in the sequence

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

Can you name an animal whose killing cannot be performed without spilling your own blood?

I taste better than I can smell. Who am I?

Count the number of lines in the image below ?

What goes up but never comes down?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?