A goes to the Children's Palace every 4 days, B every 6 days and C every 8 days. If they go to the Children's Palace on June 1 2006, when should they go to the Children's Palace at the same time next time?
After Party A pours one-tenth of the rice into Party B, the weight of the two bags of rice is equal. How much more rice does Party A have than Party B?
When Party A and Party B arrive from place A to place B, Party A leaves 30 minutes earlier than Party B and arrives 30 minutes later. Party A walks 3.5 kilometers per hour and Party B walks 4 kilometers per hour. What is the distance between a and b?
There are a batch of towels in the shopping mall. After selling 62.5% of the total, 270 towels were delivered. At this time, the ratio of the total number of towels in the mall to the original number of towels is 6: 7. How many towels are there in the shopping center?
The number of people in the first workshop of a factory is four-fifths of that in the second workshop, with 30 people less. If 10 people are transferred from the second workshop to the first workshop, the first workshop is three quarters of the second workshop. How many people are there in workshop 2?
There is a barrel of oil, which accounts for two-thirds of the weight of oil. After using 44 kg, the remaining oil is half the weight of the barrel. How much oil is there in the bucket? There are three classes in grade five in a school. It is known that the number of students in Class 1, Class 2 and Class 3 is the same, and the boys in Class 1 are the same as the girls in Class 2, and the boys in Class 3 account for 3/8 of the boys in the whole grade, so the girls in the whole grade account for the students in the whole grade.
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Uncle Chen is 35 years old this year, which happens to be seven times that of Xiaoling. How many years later, Uncle Chen is three times as old as Xiaoling?