1, a number is divided by 3 by 2, by 4 by 3, and by 5 by 4. What's the smallest number?

2. The greatest common divisor of two numbers is 6 and the least common multiple is 144. What is the product of these two numbers?

"Friday, Monday" is Monday. When is "October Monday" in the same year?

4. Two equal bottles of white wine and red wine, first scoop a small glass of white wine into the red wine bottle, and then scoop a small glass into the red wine bottle that has been mixed with white wine. Q: Is there more red wine or red wine in white wine?

Sister and sister add up to 37 years old. Five years later, my sister is three years older than my sister. How old are my sister and sister now?

6. Grandpa has a famous painting, which is rolled into 1 10 pear and bamboo. He wants to send it to his distant uncle, but the post office only allows items less than one meter in length. Can you find a way to send this famous painting there?

(Is that enough? )