Amy's Dominoes
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?
One quarter of these coins are heads but when I turn over two coins, one third are heads. How many coins are there?
The numbers 72, 8, 24, 10, 5, 45, 36, 15 are grouped in pairs so that each pair has the same product. Which number is paired with 10?
What is the smallest integer where every digit is a 3 or a 4 and it is divisible by both 3 and 4?
Chocolate bars come in boxes of 5 or boxes of 12. How many boxes do you need to have exactly 2005 chocolate bars?
Using the hcf and lcf of the numerators, can you deduce which of these fractions are square numbers?