# Basic Math: Test Your IQ! Quiz

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| By Ishrt Parven
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Ishrt Parven
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Quizzes Created: 1 | Total Attempts: 196
Questions: 9 | Attempts: 198

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• 1.

### What is the value of 4/2+5-12?

• A.

-5

• B.

1

• C.

5

• D.

3

A. -5
Explanation
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.

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• 2.

### What is the value of x if x2 = 169?

• A.

13

• B.

17

• C.

16

• D.

6

A. 13
Explanation
The value of x can be found by taking the square root of 169, which is 13. Therefore, the value of x is 13.

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• 3.

### What are three-fifths of 100?

• A.

3

• B.

5

• C.

20

• D.

60

D. 60
Explanation
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.

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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

D. 19
Explanation
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.

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• 5.

### What is 7% equal to?

• A.

0.007

• B.

0.07

• C.

0.7

• D.

7

B. 0.07
Explanation
The correct answer is 0.07 because 7% is equal to 7/100, which can be simplified to 0.07.

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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

D. 77
Explanation
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.

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• 7.

### What is the square of 15?

• A.

225

• B.

625

• C.

125

• D.

500

A. 225
Explanation
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.

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• 8.

### How many years are there in a decade?

• A.

5

• B.

10

• C.

100

• D.

1000

B. 10
Explanation
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.

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• 9.

### In a century how many months are there?

• A.

12

• B.

120

• C.

1200

• D.

12000

C. 1200
Explanation
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.

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