22. Belinda has a digital alarm clock.
The numbers on the clock are displayed as:
Belinda's digital clock shows the time 01:10
She puts it upside down on her bedside table.
The same time is shown.
At what times between 01:10 and 12:00 does the clock show the same time when it is upside down as when it is the right way up ?
The paper is folded again so that A,B,E and F are on top.
Under A are the letter, M,P and D in that order.
b) Working from top to bottom:
Which letters are under B ?
Which letters are under E ?
After another fold, which letters are under B ? Write the letters in order from top to bottom.
d) Pia changes the order of the cards. She starts with a whole number and ends up with 15. Give all the possible orders in which she could have used her three cards.