Nokea
If the quotient is 4 and the dividend is 12, what is the divisor?
- A. X
- B. 4
- C. 3
- D. 12
Correct Answer: C
Rationale: To find the divisor in a division problem, you can use the formula: Dividend = Divisor x Quotient. In this case, the dividend is 12, and the quotient is 4. You can set up the equation as 12 = Divisor x 4. To isolate the divisor, you divide the dividend by the quotient. Divisor = Dividend / Quotient = 12 / 4 = 3. Therefore, the correct answer is 3. Dividing 12 by 4 gives you the divisor, which is 3. So, 3, when multiplied by the quotient of 4, equals the dividend of 12.
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A man is 6'4' tall and weighs 228 pounds. The ideal weight chart indicates that his maximum desirable weight is 204 pounds. What percentage overweight is this man?
- A. 16.50%
- B. 20%
- C. 10%
- D. 2%
Correct Answer: C
Rationale: To calculate the percentage overweight:
1. Find the excess weight: 228 lbs - 204 lbs = 24 lbs.
2. Calculate the percentage: (24 lbs / 204 lbs) * 100 = 11.76%
3. Choose the closest option, which is C: 10%.
The correct answer is C (10%) because it represents the closest rounded percentage to the calculated 11.76%. Other choices are incorrect as they do not reflect the accurate percentage of excess weight.
Change 8.08 to a fraction, reduced to the lowest terms.
- A. 8 1\12
- B. 88/1000
- C. 8 2/25
- D. 80/100
Correct Answer: C
Rationale: To change 8.08 to a fraction, we note that 8.08 = 8 + 0.08 = 8 + 8/100 = 8 8/100 = 8 2/25. Therefore, the correct answer is C. Option A is incorrect as it represents a mixed number. Option B is incorrect as it does not represent the decimal 8.08 as a fraction. Option D is incorrect as it does not reduce the fraction to the lowest terms.
What is 80% of 55?
- A. 45
- B. 44
- C. 40
- D. 39
Correct Answer: B
Rationale: To calculate 80% of a number, you multiply the number by 0.80 or 80/100. In this case, to find 80% of 55, you would do 55 * 0.80, which equals 44. Therefore, the correct answer is 44, corresponding to option B. When finding a percentage of a number, remember that you are essentially finding a fraction of that number based on the percentage given. In this case, 80% is the same as 80/100 or 0.80 as a decimal. Multiplying this by 55 gives you the result of 44. Therefore, option B is the correct answer.
What is the result of subtracting 3.54 from 27?
- A. 24.56
- B. 23.46
- C. 33.3
- D. 24.54
Correct Answer: B
Rationale: To find the result of subtracting 3.54 from 27, you need to subtract the two numbers. 27 - 3.54 equals 23.46. Therefore, the correct answer is B. When subtracting a smaller number from a larger number, the result will be smaller than the original number. In this case, subtracting 3.54 from 27 results in 23.46, not 24.56, 33.3, or 24.54. Therefore, the only correct answer choice is B.
Subtract: 12 1/8 - 9 1/2 =
- A. 2 5/8
- B. 2 1/8
- C. 3 3/8
- D. 3 5/8
Correct Answer: A
Rationale: To solve this problem, first convert the mixed numbers to improper fractions. 12 1/8 can be written as 97/8, and 9 1/2 can be written as 19/2. Ensure a common denominator (8) by rewriting 19/2 as 76/8. Now, subtract the fractions: 97/8 - 76/8 = 21/8 = 2 5/8. Therefore, the correct answer is 2 5/8.