Brother and sister jokes

Teacher: What' s this a picture…

Teacher: What's this a picture of? Class: Don't know, Miss. Teacher: It's a kangaroo. Class: What's a kangaroo, miss? Teacher: A kangaroo is a native of Australia. Smallest boy: Wow, my sister's married one of them

' What' s your father'…

'What's your father's occupation? 'asked the school secretary on the first day of the new academic year. 'He's a conjurer, Ma'am, 'said the new boy. 'How interesting. What's his favourite trick? ''He saws people in half. ''Gosh! now, next question. Any brothers or sisters? ''One half brother and two half sisters. '