Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

What has a bottom at the top?

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

What does below Rebus mean ?

esgg sgeg gegs gsge

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

What word begins and ends with an E, but has only one letter?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

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