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| By Anouchka

Anouchka

Community Contributor

Quizzes Created: 202 | Total Attempts: 639,449

Questions: 9 | Attempts: 265 | Updated: Dec 19, 2023

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Brain exercise is good for your mental health they say, but it is also great for those who want to see if they are smart enough to think and come up with the right answers. If you feel you can take this challenge, complete our quiz.

Questions and Answers

1.

How many times can you substract 10 from 100?
- A.
  
  5 times
- B.
  
  10 times
- C.
  
  0 times
- D.
  
  20 times
Correct Answer
B. 10 times

Explanation
You can subtract 10 from 100 a total of 10 times. This is because each time you subtract 10, you are left with 90, and you can continue subtracting 10 from 90 until you reach 0.

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2.

Which one of the words below is correctly spelled?
- A.
  
  Accent
- B.
  
  Aquaintance
- C.
  
  Strang
- D.
  
  Blande
Correct Answer
A. Accent

Explanation
The word "Accent" is correctly spelled. The other options, "Aquaintance," "Strang," and "Blande," are misspelled.

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3.

What defines the power of a River?
- A.
  
  Its current
- B.
  
  It's length
- C.
  
  It's width
- D.
  
  The people who depend on it
Correct Answer
A. Its current

Explanation
The power of a river is defined by its current. The speed and force of the water flowing in a river determine its ability to erode, transport sediment, and generate energy. A river with a strong current will have more power to shape the landscape, carry larger particles, and potentially generate more hydroelectric power. The length and width of a river may influence its overall volume and discharge, but it is the current that ultimately determines its power. The people who depend on the river may be affected by its power, but they do not define it.

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4.

How can you tell that it's really cold on top of a mountain?
- A.
  
  The height of the mountain
- B.
  
  The snow on top of the mountain
- C.
  
  The color of the mountain
- D.
  
  None of the above
Correct Answer
B. The snow on top of the mountain

Explanation
The presence of snow on top of a mountain indicates that it is really cold. Snow forms when the temperature is below freezing, so if there is snow on the mountain, it suggests that the temperature is low enough for the snow to accumulate and not melt. Therefore, the snow on top of the mountain is a clear indication that it is really cold there.

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5.

If Anna is Joseph's sister and Joseph's is also Katrina's stepson, who is Katrina to Anna?
- A.
  
  Her mother
- B.
  
  Her stepmother
- C.
  
  Her cousin
- D.
  
  None of the above
Correct Answer
B. Her stepmother

Explanation
Since Joseph is Anna's brother and Katrina is Joseph's stepmother, it can be inferred that Katrina is Anna's stepmother as well.

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6.

Joshua has three sons. The oldest one is named August if the youngest one is named October, what is the middle child's name?
- A.
  
  January
- B.
  
  September
- C.
  
  February
- D.
  
  December
Correct Answer
B. September

Explanation
Based on the given information, the oldest son is named August and the youngest son is named October. Since the months are listed in chronological order, the middle child's name would be September.

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7.

How many times do you find the number 5 in 5000?
- A.
  
  100 times
- B.
  
  1000 times
- C.
  
  50 times
- D.
  
  None of the above.
Correct Answer
B. 1000 times

Explanation
In the number 5000, the digit 5 appears four times. Therefore, the correct answer is "None of the above."

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8.

Which word below is spelled incorrectly?
- A.
  
  Dragon
- B.
  
  Impossible
- C.
  
  Tractor
- D.
  
  Trackor
Correct Answer
D. Trackor

Explanation
The word "Trackor" is spelled incorrectly. The correct spelling is "Tractor".

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9.

Which word doesn't belong on the list below?
- A.
  
  Anna
- B.
  
  Anouchka
- C.
  
  Annabelle
- D.
  
  Another
Correct Answer
D. Another

Explanation
The word "Another" doesn't belong on the list because it is the only word that doesn't start with the letters "An". The other three words all begin with "An".

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