The assessment of intelligence quotient (IQ) makes it possible to compare with other people, revealing whether your intelligence is average or above average.
The Cognitive Reflection Test (CRT) is called the world's shortest IQ test and consists of three questions. The objective is to evaluate the ability to identify that an easy problem can be more complex than it seems. The calculation is according to the speed in solving the questions.
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The three questions are as follows:
- A bat and a ball cost R$1.10 in total. The bat costs $1.00 more than the ball. How much does the ball cost?
- If it takes five machines five minutes to make five widgets, how long would it take 100 machines to make 100 widgets?
- In a lake, there are a few water lilies. Every day, it doubles in size. If it takes 48 days for it to cover the entire lake, how long would it take for the lily pad to cover half the lake?
Here's what many people guess (but the answer is wrong):
1. 10 cents.
2. 100 minutes.
3. 24 days.
Right answer
1.
B = ball
T = Taco; T = B+1
B + T = 1.10
B + (B+1) = 1.10
2B + 1 = 1.10
2B = 0.10
B = 0.05
Response: 5 cents
2.
Five widgets can be made by five machines in five minutes, which means that one machine can produce one widget in five minutes. So, if we have 100 machines operating simultaneously, we can produce 100 widgets in five minutes. Therefore, it is possible to state that the widget production rate is directly proportional to the number of machines used to produce them in a specific period of time.
Response: 5 minutes
3.
If the lily pad doubles in size each day going forward, it would decrease by half in size when looking backwards. Thus, on day 47, the lake would have half of the flower covering the surface.
Response: Day 47.
According to the results of a study carried out with nearly 3,500 people, 33% failed all three questions, while 83% made at least one mistake.
Although this IQ test has limitations, such as its lack of diversity in assessing verbal and non-verbal reasoning, verbal, and its brevity, only 48% of the MIT students who were examined could get all three questions right. questions.
If you got all 3 questions right, your intelligence is way above average.