Basic Maths - Qp1 - Quiz & Trivia

1.

True

False

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Explanation

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2. What does the word 'percentage' mean?

Per 10

Per 100

Per 1,000

The word 'percentage' refers to a proportion or ratio expressed as a fraction of 100. It is used to represent a part of a whole in terms of hundredths. For example, if something is said to be 50%, it means it represents half or 50 out of 100 parts of the whole. Therefore, the correct answer is "Per 100".

Explanation

The word 'percentage' refers to a proportion or ratio expressed as a fraction of 100. It is used to represent a part of a whole in terms of hundredths. For example, if something is said to be 50%, it means it represents half or 50 out of 100 parts of the whole. Therefore, the correct answer is "Per 100".

3. What is three quarters expressed as a percentage?

25%

33%

75%

Three quarters is equivalent to 75%. This is because there are four quarters in a whole and three out of those four quarters is equal to 75%. To express a fraction as a percentage, you divide the numerator by the denominator and multiply by 100. In this case, 3 divided by 4 equals 0.75, and when multiplied by 100, it becomes 75%.

Explanation

Three quarters is equivalent to 75%. This is because there are four quarters in a whole and three out of those four quarters is equal to 75%. To express a fraction as a percentage, you divide the numerator by the denominator and multiply by 100. In this case, 3 divided by 4 equals 0.75, and when multiplied by 100, it becomes 75%.

4.

True

False

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Explanation

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5. 593.5666789 rounded to 2 decimal places = 593.56

True

False

The given statement is false. When rounding 593.5666789 to 2 decimal places, the third decimal place is 6, which is greater than 5. In this case, we round up the second decimal place, resulting in 593.57, not 593.56. Therefore, the correct answer is false.

Explanation

The given statement is false. When rounding 593.5666789 to 2 decimal places, the third decimal place is 6, which is greater than 5. In this case, we round up the second decimal place, resulting in 593.57, not 593.56. Therefore, the correct answer is false.

6.

True

False

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Explanation

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7. The system we use for counting is based on ______

1

10

100

1000

The system we use for counting is based on the number 10. This is known as the decimal system, which is widely used around the world. In the decimal system, each digit's value is multiplied by a power of 10, allowing us to represent numbers of any magnitude. The number 10 is significant because it is the base of our counting system, and it forms the foundation for our understanding and representation of numbers.

Explanation

The system we use for counting is based on the number 10. This is known as the decimal system, which is widely used around the world. In the decimal system, each digit's value is multiplied by a power of 10, allowing us to represent numbers of any magnitude. The number 10 is significant because it is the base of our counting system, and it forms the foundation for our understanding and representation of numbers.

8. Express 0.4 as a percentage.

0.4%

4%

40%

400%

To express a decimal as a percentage, we move the decimal point two places to the right. In this case, 0.4 becomes 40%.

Explanation

To express a decimal as a percentage, we move the decimal point two places to the right. In this case, 0.4 becomes 40%.