If there is 1 person tell truth, it will be right. Because the other wil say that, 1 people tell the truth is among of each person's neighbors,exepct the person tell the truth. But if 2 or more, it will be wrong. Because there are 13 neighbors, if there are 2 or more tell the truth, number people tell the truth is increase among of each person neighbors.
So there are 13 people are liars.
# 27. A group of 25 people consists of knights, serfs and damsels. Each knight always tells the truth,
each serf always lies, and each damsel alternates between telling the truth and lying. When each of
them was asked: "Are you a knight?", 17 of them said "Yes". When each of them was then asked:
"Are you a damsel?", 12 of them said "Yes". When each of them was then asked: "Are you a serf?",
8 of them said "Yes". How many knights are in the group?
There are thirty – eight apples and nine oranges on the table. How many fruits are there on the table
Alice said to her mother, “If I reverse the two digits of my age, I will get your age”. Her mother said, “Tomorrow is my birthday, and my age will then be three times yours”. It is known that their birthdays are not on the same day. How old is Alice? |
In a restaurant, there are 17 tables, each with 3, 4 or 6. The tables with 3 or 4 chairs can accommodate 44 people. The restaurant can accomodate 74 people. How many chairs are there with 3 chairs?
In a restaurant, there are 17 tables, each with 3, 4 or 6 chairs. The tables with 3 or 4 chairs can accommodate 44 people. The restaurant can accommodate 74 people. How many tables are there with 3 chairs?
In a restaurant, there are 17 tables, each with 3, 4 or 6 chairs. The tables with 3 or 4 chairs can accommodate 44 people. The restaurant can accommodate 74 people. How many tables are there with 3 chairs?
Answer: ........ tables.
At a party 60% of the boys are dancing with 80% of the girls.How many people are dancing if there are 35 people?(A pair cludes only one boy and one girl)
dịch hộ bài toán tiếng anh này nha, và trả lời rõ bài giải nhé:
- The people at the party are seven couples. Each man shakes hands with everyone else except his own wife. No two woman shake hands with each other. What is the total number of handshakes among these 14 people.
( Lưu ý: Đừng lên google dịch nhé! Dịch sai đó )
Four boxes of chocolate candies are equivalent to eight hundred candies. The number of candies is the same for all boxes. How many candies are in each box?
Answer: There are ...... candies in each box.
