Ximen Yu and Ximen Yun crossed the cliff, flew to the opposite side, and then walked down the route.

Soon after, he walked to a cave. To continue, he had to go through the cave, but there was a strong guard in front of the cave.

There is a big sign next to the cave, which reads: "answer the following questions correctly, pass this hole, answer wrong, please leave."

The first question: Who is sick without seeing a doctor?

Question 2: There is someone who was born by your parents, but he is not your brother or sister. Who is he?

Question 3: What can only one person do?

Question 4: What things come often, but never come?

Question 5: What is going up and never falling?

Only two words appeared in Ximenyu's mind: "My day!"

Ximen Yun shamefully said: "What are you doing, brain teasing?"

The strong man standing in front of the cave said: "After knowing the answer, communicate with my soul. If the answer is correct, you can pass this cave and enter the next level."

Ximen Yu asked: "Why didn't it pass by strength? We haven't even done it."

The strong guard said: "Because there are one hundred gate entrances, and the road of this entrance is not tested by your strength, it depends on your mind."

Ximen Yun said: "But don't you think this is very unfair? For example, there is a strong person here, but he can't turn around in thinking, it is very unfair to him."

"Wrong, if a person's thinking can't be turned around, but his talent is strong and his luck is strong, then he will never come to this entrance. He may choose to rely on pure strength to pass the door."

Ximenyu nodded, yes.

"Okay, then I know the answer."

"Say, the first question, who is sick and not seeing a doctor?"

"Ximenyu soul information replied: "Blind. "

"There is someone who was born by your parents, but he is not your sibling. Who is he?"

"Myself!"

"What is the only thing you can do?"

"dream!"

"What comes often, but never comes?"

"tomorrow."

"What is going up, never falling?"

"age!"

"Well, all right, you passed the third level."

Ximenyu passed through the cave, and after waiting for a while, Ximen Yun also wore it out.

"Haha, both have passed."

Ximenyu said with a smile: "I really don't know what the people of the Misty Mountain Villa think. A few brain teasers actually came to rely on intelligence."

"Maybe they don't have brain teasers here at all. We've seen it before, so we know it as soon as we think about it. However, this is also a test of whether a person will turn his head on the road of cultivation in this life. Not the kind of person who is pedantic in the end."

"Don't worry about him, let's go to the next level."

At this juncture of brain teasing, more than 70% of the people were eliminated.

Ximen Yu and Ximen Yun came to the fourth hurdle first. In a room, a strong man sat in the room.

As soon as Ximen Yu entered, the strong man said, "Are you ready? I ask, you answer, of course, you tell me the answer by means of soul communication."

"it is good!"

"Eighteen pounds for sheep, three pounds for ducks, four or two quails, a total of ninety-nine, a hundred pounds, how many of them are there?" The strongman asked.

Both Ximenyu and Yang Qian were taken aback for a moment. My day, this fourth exam is even harder.

After thinking for a while, Ximenyu replied with soul information: "Three sheep, eight ducks, and eighty quails."

Simon's rhyme is not so fast, take out the paper and pen check, first set the sheep as x, the duck as y, and the quail as z, and then calculate the equation, in order to solve the equation, calculate the xyz.

Ximen Yun also figured it out.

For people coming from the earth, this is not counted, and it is too unreasonable.

"The second question, I asked Li Sansong to open the store. All the customers come to the store. There are more than seven guests in one room, and nine rooms in one room. One room is empty. How many guests are there in the chicken room?"

Ten seconds later, Ximenyu immediately answered: "Eight rooms, sixty-three guests."

And Ximen Yun, desperately counting on paper, how Ximen Yun also graduated from a key university, but he couldn't have the same brain as Ximen Yu, like a computer, no matter how complicated, he knew the answer when he thought about it.

It seems that the way to Gate 20 is that there is no fighting, and the test is all intelligence.

"The third question, there are Tian Guang's three-step and one-third step, from five steps and two-fifth steps. Ask for Tian Ge?"

"Eighteen Steps!"

"There is a square pond, the side of the pond is one foot long, there is a reed growing in the middle of the pond, and the reed is one foot above the surface of the water. If the reed is pulled to the shore, it will happen to touch the shore and ask for the depth of the water. What is the height of the reeds?"

"The pool is 12 feet deep and the reed is 13 feet high!"

"Okay, you have passed the level, you are too smart, and then you will be in the inner house."

"Thank you!" Ximen Yu successfully passed the fourth hurdle.

There are only four levels in total.

Especially for the fourth level, it is estimated that many cultivators can't pass it. They can only count that they are out of luck, but they have come to the path of intellectual disability.

Ximen Yu waited for a few minutes, and Ximen Yun also came out, and has successfully passed the level.

"Sister, I'm in front of the house. We both successfully passed the qualification."

Ximen Yun said with a lip: "Is the mathematics on our earth comparable here? I'm a key university anyway, hey, who is this difficult?"

Ximen Yu smiled and said: "But for the cultivators born in this world, it is very difficult."

At this time, there is a pass.

It seems that among the practitioners in this world, there is no shortage of masters in mathematics and science.

Ximen Yu and Ximen Yun successfully arrived in the inner house of Jiujianzhuang. There were already thousands of people waiting there. Ximen Yu saw Yuedongling, she had been coming in long ago, although she was only biochemical fifteenth, but her strength Very strong, he passed the barrier and entered the inner house at once.

"Yue Dongling!"

"Sister-in-law, you guys come in, how is it, is the obstacle on your side difficult?"

"How about you?" Ximen Yun walked to Yue Dongling.

"We have four levels, each level has some strong people blocking the way, I have come over. I guess you are too!"

Ximen Yun shook his head and said: "We are not at all, we did not test the battle at all, we tested the strength."

Ximen Yu looked at Moon Dongling in a puzzled manner and said, "If you are asked, who is sick and not seeing a doctor, do you know?"

"Neuropathy?"

"No!"

"The cultivator is sick? Generally, cultivators do not see a doctor."

"No!"

"What the **** is that?"

"Haha, if it's you, you definitely don't know. Maybe you won't be able to enter the inner house. It seems that you are in luck. You didn't follow us through the gate 20 before. The answer is, blind people. They are blind. What about seeing the doctor."

"Uh! Isn't that a shame?"