It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What four weights can be used to balance from 1 to 30 pounds?

Buy me, smell me or deliver me, I do not change.

Who am I?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

What word is represented by this rebus?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

What does this rebus puzzle means ?

A man dies of old age on his 25 birthday. How is this possible?

Give it food and it will live; give it water and it will die.