BMST BMST - Basic Math and Science Fractions, Decimals, and Number Operations Questions and Answers 5 — Questions and Answers
Question 1: What is 5/6 – 2/9?
- 3/18
- 11/18 (Correct answer)
- 7/15
- 1/2
Correct answer: 11/18
LCD is 18: 15/18 – 4/18 = 11/18.
Question 2: If 0.375 is expressed as a fraction in lowest terms, what is it?
- 3/8 (Correct answer)
- 3/10
- 375/100
- 37/100
Correct answer: 3/8
0.375 = 375/1000 = 3/8 when reduced by dividing numerator and denominator by 125.
Question 3: A board is 9⅓ feet long. It is cut into pieces that are each 1⅓ feet long. How many pieces are there?
Correct answer: 7
9⅓ ÷ 1⅓ = 28/3 ÷ 4/3 = 28/3 × 3/4 = 7 pieces.
Question 4: Which of the following numbers is between 0.6 and 0.7?
- 0.07
- 0.59
- 0.67 (Correct answer)
- 0.71
Correct answer: 0.67
0.67 lies between 0.60 and 0.70.
Question 5: A car travels 157.5 miles on 4.5 gallons of gas. What is the car's fuel efficiency in miles per gallon?
- 30 mpg
- 32 mpg
- 35 mpg (Correct answer)
- 40 mpg
Correct answer: 35 mpg
157.5 ÷ 4.5 = 35 miles per gallon.
Question 6: What is the value of 4² – (3/4 × 8)?
Correct answer: 10
4² = 16; 3/4 × 8 = 6; 16 – 6 = 10.
Question 7: Which fraction is NOT equivalent to 0.5?
- 1/2
- 4/8
- 5/9 (Correct answer)
- 10/20
Correct answer: 5/9
5/9 ≈ 0.556, which is not equal to 0.5.