Free Criticall Basic Math Question and Answers 1 — Questions and Answers
Question 1: Declare 2/5 in decimal form.
- 0.2
- 0.4 (Correct answer)
- 0.5
- 0.6
Correct answer: 0.4
To convert a fraction to a decimal, you divide the numerator by the denominator. For 2/5, dividing 2 by 5 yields 0.4. This is a fundamental conversion in basic mathematics.
Question 2: 90 divided by 3/10 is equal to:
- 15
- 25
- 28
- 27 (Correct answer)
Correct answer: 27
The phrasing '90 divided by 3/10' can be interpreted in different ways, but given the correct answer of 27, it likely implies finding '3/10 of 90.' To calculate this, you multiply 90 by the fraction 3/10. (90 * 3) / 10 = 270 / 10 = 27. This is a common way to test fractional understanding in a practical context.
Question 3: Calculate 18/6 as a percentage.
- 100%
- 200%
- 300% (Correct answer)
- 150%
Correct answer: 300%
To express a fraction as a percentage, first convert it to a decimal, then multiply by 100. The fraction 18/6 simplifies to the whole number 3. Multiplying 3 by 100 gives 300%.
Question 4: Calculate.56 as a percentage.
- 0.56%
- 5.60%
- 56% (Correct answer)
- 0.06%
Correct answer: 56%
To convert a decimal to a percentage, you multiply the decimal by 100. So, 0.56 multiplied by 100 equals 56. This means 0.56 is equivalent to 56%.
Question 5: What percentage of 40 is 8?
- 5%
- 10%
- 15%
- 20% (Correct answer)
Correct answer: 20%
To find what percentage 8 is of 40, you set up the ratio 8/40. This fraction simplifies to 1/5. To convert 1/5 to a percentage, you multiply by 100, which gives 20%.
Question 6: 0.4% of 36 equals:
- 0.144 (Correct answer)
- 1.44
- 144
- 14.4
Correct answer: 0.144
To calculate a percentage of a number, first convert the percentage to a decimal by dividing by 100. So, 0.4% becomes 0.004. Then, multiply this decimal by 36: 0.004 * 36 = 0.144.
Question 7: What percentage of 36 is 9?
- 5%
- 10%
- 25% (Correct answer)
- 30%
Correct answer: 25%
To find what percentage 9 is of 36, you form the fraction 9/36. This fraction simplifies to 1/4. To convert 1/4 to a percentage, you multiply by 100, which results in 25%.
Free Criticall Basic Math Question and Answers 1
Declare 2/5 in decimal form.