I have feet, but no legs. Which animal Am I?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

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

Can you move 2 matchsticks to form four equal sized squares.

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

The more it dries, the wetter it becomes. Can you tell what it is?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?