Add punctuation to the following phrase to make something grammatically and logically coherent:
is is not not not is not is is is is not is not is it not
Short Riddles
Two Hourglasses
You have two hourglasses, a 7 minute one and an 11 minute one. Using just these two hourglasses, how can you accurately time 15 minutes?
Riddle Answer1.5 Teenagers 1.5 Pizzas 1.5 Days
If one and a half teenagers can eat one and a half pizzas in one and a half days, how many pizzas can 9 teenagers eat in 3 days?
Riddle AnswerHalf as Many Sisters as Brothers
A boy has as many sisters as brothers, but each sister has only half as many sisters as brothers. How many brothers and sisters are there in the family?
Riddle Answer