IQ test with interesting questions

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Verse 1. The Qing Dynasty has a pond of 1,000m2, the next day, the number of plums will double in the previous day. So how many days will the duckweed fill the pond?
1. Day 1
2. 19th day
3. 36th day
4. 42th day
Question 2. Fill in the following sequence: 9 - 6 - 1; 27 - 1 - 2; 6 - 3 -?
1. 2
2. 3
3. 4
4. 5
Calculate 3 numbers: 9 * 6 * 1 = 27 * 1 * 2 = 6 * 3 * x = 54 => x = 3
Question 3. Which number is the next number of ranges 19, 28, 37, 46, .?
1. 49
2. 55
3. sixty seven
4. 77
Question 4. Calculate the following sequence: 1 + 2 + 3 + . + 99 = ..
1. 4950
2. 4500
3. 4850
4. 4650
Question 5. Minh is 4 years old, Minh's age is 3 times that of Minh. How old is Minh when Minh is just twice the age of Minh?
1. 14
2. 16
3. 18
4. 20
Question 6. John has 10 pairs of socks. If he loses 7 individual socks, what is the maximum number of pairs he has left?
1. 3
2. 5
3. 6
4. 8
Question 7. A basketball team played two-thirds of the match and won 17 goals, lost 3 goals. During the match, how much will the team lose the most and still win at least 3/4 of the whole match?
1. 3
2. 4
3. 5
4. 6
Question 8. The coins are dropped into a box with a speed of 2 fit per hour. If an empty box is 4 feet long, 4 feet wide and 3 feet deep, how long will it take to fill the box?
1. 8
2. 16
3. 24
4. 48
Question 9. If x and y are prime numbers, which of the following values cannot be the sum of x and y?
1. 9
2. 13
3. 15
4. 23
Question 10. The cost of renting a parking space in the garage is $ 10 / week or $ 30 / month. How much money can a person save in a year if rented by month?
1. 140
2. 160
3. 240
4. 260