7 . Light as feather , there is nothing in it ; the strongest man can ' t hold it for much more than a minute .
8 . What can run but never walk , has a mouth but never talk , has a head but never weeps , has a bed but never sleep ?
9 . What can fill a room but takes up no space ?
10 . No sooner spoken than broken . what is it ?
11 . Why don ’ t lobsters share ?
12 . Big as a biscuit , deep as a cup , even arrive can ' t fill it up , what is it ?
13 . He has married many women but has never married who is it ?
14 . If you have it you want to share it , and if you share it , you don ' t have it what is it ?
15 . Take of my skin , I want cry , but you will , what am I ?