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!!!

How many words can a pen with half refill write?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

What word is represented by this rebus?

Can you identify if it's a murder or a suicide ?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

If six children and two dogs were under an umbrella, how come none of them got wet?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.