Basic Math: Test Your IQ! Quiz
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Questions and Answers
- 1.
What is the value of 4/2+5-12?
- A.
-5
- B.
1
- C.
5
- D.
3
Correct Answer
A. -5Explanation
To find the value of 4/2+5-12, we need to follow the order of operations (PEMDAS/BODMAS). First, we divide 4 by 2, which equals 2. Then, we add 5 to 2, which equals 7. Finally, we subtract 12 from 7, which equals -5. Therefore, the correct answer is -5.Rate this question:
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- 2.
What is the value of x if x2 = 169?
- A.
13
- B.
17
- C.
16
- D.
6
Correct Answer
A. 13Explanation
The value of x can be found by taking the square root of 169, which is 13. Therefore, the value of x is 13.Rate this question:
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- 3.
What are three-fifths of 100?
- A.
3
- B.
5
- C.
20
- D.
60
Correct Answer
D. 60Explanation
Three-fifths of 100 is calculated by multiplying 100 by the fraction 3/5. This can be done by dividing 100 into five equal parts and then taking three of those parts. Each part would be 100/5 = 20, so three parts would be 3 * 20 = 60. Therefore, the correct answer is 60.Rate this question:
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- 4.
If David’s age is 27 years old in 2011. What was his age in 2003?
- A.
17
- B.
9
- C.
37
- D.
19
Correct Answer
D. 19Explanation
In 2011, David was 27 years old. To find his age in 2003, we need to subtract 8 years from 2011. Therefore, his age in 2003 would be 19.Rate this question:
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- 5.
What is 7% equal to?
- A.
0.007
- B.
0.07
- C.
0.7
- D.
7
Correct Answer
B. 0.07Explanation
The correct answer is 0.07 because 7% is equal to 7/100, which can be simplified to 0.07.Rate this question:
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- 6.
I am a number. I have 7 in the one's place. I am less than 80 but greater than 70. What is my number?
- A.
70
- B.
71
- C.
73
- D.
77
Correct Answer
D. 77Explanation
The number described in the question has a 7 in the ones place and is between 70 and 80. The only number that fits this description is 77.Rate this question:
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- 7.
What is the square of 15?
- A.
225
- B.
625
- C.
125
- D.
500
Correct Answer
A. 225Explanation
The square of a number is the result of multiplying the number by itself. In this case, the square of 15 would be 15 multiplied by 15, which equals 225.Rate this question:
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- 8.
How many years are there in a decade?
- A.
5
- B.
10
- C.
100
- D.
1000
Correct Answer
B. 10Explanation
A decade consists of 10 years. This is because the term "decade" is derived from the Greek word "deka," meaning ten. Therefore, by definition, a decade represents a period of ten consecutive years.Rate this question:
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- 9.
In a century how many months are there?
- A.
12
- B.
120
- C.
1200
- D.
12000
Correct Answer
C. 1200Explanation
In a century, there are 100 years. Since each year has 12 months, we can calculate the total number of months by multiplying 100 by 12, which equals 1200. Therefore, there are 1200 months in a century.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
May 20, 2020Quiz Created by
Ishrt Parven
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