Common Sense Quiz: Only Sharp Minds Get 35/40

Common Sense Quiz: Only Sharp Minds Get 35/40: questions and answers

Try to answer first, then tap a question to see the answer.

1. Which of these should never go in a microwave? Paper plate · Glass bowl · Metal fork

   Metal fork – Metal edges can spark and even start a fire!

2. A recipe for 4 people needs 2 eggs. How many for 8 people? 6 · 3 · 4

   4

3. To loosen a normal screw, you turn it... To the left · Either way · To the right

   To the left

4. Which is worth more: 2 quarters or 6 dimes? Same · 2 quarters · 6 dimes

   6 dimes

5. Which of these floats in water? Apple · Stone · Spoon

   Apple

6. What day is 3 days after Friday? Tuesday · Sunday · Monday

   Monday

7. What's the best way to stop a nosebleed? Lie down · Tilt head back · Lean forward

   Lean forward – Tilting back makes you swallow the blood!

8. What should you do if your clothes catch fire? Stop, drop, roll · Fan the flames · Run to find water

   Stop, drop, roll

9. Which is cheaper per egg: 6 for $3 or 12 for $5? Same price · 6 for $3 · 12 for $5

   12 for $5

10. Which of these is safe to eat raw? Carrot · Raw chicken · Kidney beans

    Carrot – Raw kidney beans contain a toxin. Always boil them!

11. Experts say wash your hands for at least... Two minutes · Five seconds · 20 seconds

    20 seconds – That's about two 'Happy Birthday' songs!

12. Why shouldn't you charge a phone under your pillow? It overheats · It charges slower · It breaks the screen

    It overheats

13. Which is longer: 1 mile or 1 kilometer? 1 mile · 1 kilometer · Same

    1 mile

14. You invest $100 at 10% a year. After 2 years you have... $110 · $120 · $121

    $121

15. Which light bulb uses the least energy? Incandescent · Halogen · LED

    LED

16. You see lightning while swimming. What do you do? Dive under · Get out now · Keep swimming

    Get out now

17. What's the most common cause of house fires? Cooking · Candles · Lightning

    Cooking

18. How should you lift a heavy box? Bend at the back · Bend your knees · Twist and lift

    Bend your knees

19. A smoke alarm chirping every minute usually means... Fire · Low battery · Too much steam

    Low battery

20. What's safest for a small electrical fire? Wet towel · Water bucket · Extinguisher

    Extinguisher – Water carries electricity, never use it here!

21. Where does bread stay fresh the longest? Fridge · Freezer · Counter

    Freezer – The fridge actually makes bread go stale faster!

22. Which usually uses less water: a 5-minute shower or a full bath? Shower · Full bath · They're equal

    Shower

23. A ship's rope ladder has 3 rungs above water. The tide rises 1 m. How many now? 3 · 2 · None

    3 – The ship floats up with the tide!

24. One shirt dries in the sun in 1 hour. How long for 5 shirts side by side? 30 minutes · 1 hour · 5 hours

    1 hour

25. How many birthdays does the average person have? 1 · 70 · 80

    1

26. Which is more: 30% of 50 or 50% of 30? 30% of 50 · 50% of 30 · Same

    Same – x% of y always equals y% of x!

27. A 50% off sale, then another 50% off. Total discount? 75% · 100% · 50%

    75%

28. Your tank is a quarter full. You use half of that. How full is it? One eighth · One quarter · Half

    One eighth

29. Why do bridges freeze before roads? Less traffic · Cold air below it · Shade from trees

    Cold air below it – Cold air chills them from above AND below!

30. A shop open 24/7 is open how many hours a week? 148 · 168 · 196

    168

31. Which is the better deal: 3 for $2 or 5 for $3? Same · 3 for $2 · 5 for $3

    5 for $3

32. Two trains 100 km apart drive toward each other at 50 km/h. When do they meet? 30 minutes · 1 hour · 2 hours

    1 hour

33. Before lighting a dark room's candle, lamp and fireplace, what do you light first? The candle · The fireplace · The match

    The match

34. A lily pad doubles daily and covers a pond on day 30. Half covered on day... 15 · 29 · 20

    29

35. With a 3-liter and a 5-liter jug, can you measure exactly 4 liters? Yes · No · Only with a third jug

    Yes – Fill the 5, pour into the 3, empty it, and repeat!

36. A hen and a half lays an egg and a half in a day and a half. One hen in 3 days? 2 · 3 · 4.5

    2 – One hen lays two thirds of an egg a day!

37. A pen costs $1 plus half its own price. What does it cost? $1.50 · $2 · $3

    $2

38. A clock strikes 6 in 5 seconds. How long to strike 12? 10 seconds · 11 seconds · 12 seconds

    11 seconds – 6 strikes have only 5 gaps, 12 strikes have 11!

39. You have 10 socks of 2 colors in a dark drawer. Grab how many to surely get a pair? 10 · 2 · 3

    3 – With 2 colors, the 3rd sock must match one!

40. 2 painters paint 2 rooms in 2 hours. How many rooms do 4 painters paint in 4 hours? 4 · 8 · 16

    8 – Each painter does half a room an hour!

41. Which is heavier: a liter of milk or a liter of water? Milk · Water · Same

    Milk