Question The pages of a book are numbered consecutively - 1, 2, 3, 4, 5 and so on. The digit 5 is used 16 times in this numbering.

How many pages can this book have?

How many pages can this book have?

Question Five cats catch five mice in five minutes.

How long does one cat need to catch one mouse?

How long does one cat need to catch one mouse?

Question Which of the figures best completes the sequence pattern?

Question Define the logic of the sequence and continue the series of numbers:

4 7 12 21 38 …

4 7 12 21 38 …

Question Which of the figures best completes the sequence pattern?

Question Kitten with a collar costs 110 dollars. A kitten is more expensive than a collar for $100.

How much is a collar?

How much is a collar?

Question How much is a tennis ball?

Question Point out two fragments into which this figure was divided:

Question Brother and sister are 9 years old together. How old will they be together in 5 years?

Question What parking lot number is hidden under the car?

Question The day before yesterday, Jack had a birthday. The day after tomorrow will be Tuesday

What day of the week was Jack's birthday?

What day of the week was Jack's birthday?

Question A year ago Jack was 5 times younger than his father, and in 4 years he will be only 3 times younger than his father.

How old is Jack now?

How old is Jack now?