Can you find out which number multiplied by itself will give the output as 12345678987654321?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

what does the below math rebus puzzle mean?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

I have branches, but no fruit, trunk or leaves. What am I?

What breaks yet never falls, and what falls yet never breaks?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

There is a family that live in a round house. The two parents go out for a movie and leave a babysitter to watch their son. They come back and the kid was not there. Some one kidnapped him. The maid said she was cleaning in a corner. The cook said he was making pizza. The babysitter said she was getting a board game. Who kidnapped him.

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?