If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

A monk has a very specific ritual for climbing up the steps to the temple. First, he climbs up to the middle step and meditates for 1 minute. Then he climbs up 8 steps and faces east until he hears a bird singing. Then he walks down 12 steps and picks up a pebble. He takes one step up and tosses the pebble over his left shoulder. Now, he walks up the remaining steps three at a time which only takes him 9 paces. How many steps are there?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?