A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

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?

No matter how little or how much you use me, you change me every month. What am I?

Which word does the below Plexor means ?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

What can you see in the middle of March and April that you can never see in any other month?

What will you call your mother's brother's brother-in-law?