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1. What is the next number in the sequence: 1, 2, 4, 7, 11, 16, 22, 29, ?

2. A man has 3 daughters. Each daughter has two brothers and two sisters. How many children does the man have?

3. What is the result of the operation 6 x 13 + 40 - 24 ?

4. A book costs $25 and there is an 8% tax. How much do you have to pay in total?

5. What is the result of the operation 75/2 - 7 ?

6. A man has 16 dogs. Each dog has 7 bones. How many bones are there in total?

7. Solve for x in the following equation: 4x - 20 = 92

8. What is the next number in the sequence: 3, 9, 27, 81 ?

9. What is the result of the operation 9 x 12 - 4 x 11 ?

10. In a triangle, the length of the hypotenuse is 10 cm and one of the legs is 6 cm. What is the length of the other leg? c² = a² + b²

11. A circle has a diameter of 14 cm. What is the area of the circle? Area = 3.14 × (diameter/2)²

12. A rectangular prism has a length of 8 cm, a width of 5 cm, and a height of 3 cm. What is the volume of the prism?

13. In a right triangle, the length of one leg is 3 cm and the length of the other leg is 4 cm. What is the length of the hypotenuse? c² = a² + b²

14. A snail is at the bottom of a 20-foot well. Each day, it climbs up 3 feet, but at night, it slips back 2 feet. How many days will it take for the snail to reach the top of the well?

15. A group of friends want to share some candy equally. If they have 135 pieces of candy and there are 3 friends, how many pieces of candy will each friend get?

16. A water tank can hold 240 gallons of water. If 120 gallons of water are already in the tank, and 30 gallons of water are added every hour, how many hours will it take to fill the tank?

17. A bakery sells 250 loaves of bread per day. If each loaf of bread costs $2.50, and the bakery operates 7 days a week, how much money does the bakery make in a week?

18. A car travels from City A to City B at an average speed of 60 miles per hour. If the distance between the two cities is 210 miles, how many hours does the trip take?

19. What is the value of x in the equation : 4x + 12 = 40

20. A group of friends want to share some money equally. If they have $1200 and there are 5 friends, but 2 friends decide to leave, how much money will each of the remaining friends get?

21. What is the result of the equation: 60 × 5 + 72/8?

22. A circle has a diameter of 14 cm. What is its circumference ?

23. What is the missing number in the sequence: 2, 6, 12, 20, 30, 42, 56, ?

24. A cube has a side length of 6 cm. What is its volume?

25. What is the value of x in the equation? 5x + 5 = 65

Top 10 Highest IQs of the 20th Century

 Who were the smartest people of the last 100 years? 

IQ scores tell part of the story. Here are 10 minds that defined genius.

1. William James Sidis - IQ 250-300

The highest IQ ever recorded. American child prodigy who entered Harvard at age 11. Could speak 25 languages.

2. John von Neumann - IQ 170-180

Hungarian-American mathematician. One of the fathers of the modern computer. Einstein said he was the smartest man he knew.

3. Albert Einstein - IQ 160-180

The most famous genius. Developed the theory of relativity. His name is now a synonym for intelligence.

4. Garry Kasparov - IQ 190

World chess champion for 15 years. Highest IQ ever measured in a chess player.

5. Marilyn vos Savant - IQ 186

Listed in Guinness World Records for highest IQ. Famous for her "Ask Marilyn" column.

6. Kim Ung-yong - IQ 210

Korean prodigy. Started university at age 4, worked for NASA at 8 years old. Later became a civil engineer.

7. Stephen Hawking - IQ 160

Theoretical physicist who explained black holes despite his ALS disease. Author of A Brief History of Time.

8. Terence Tao - IQ 220-230

Born in 1975, Australian-American mathematician called "Mozart of Math". Won Fields Medal at 31.

9. Christopher Hirata - IQ 225

American child prodigy. At 13, won gold at International Physics Olympiad. Worked for NASA at 16.

10. Nikola Tesla - IQ 160-180

Serbian inventor of AC electricity. Invented the future: radio, remote control, wireless energy