BMST BMST - Basic Math and Science Fractions, Decimals, and Number Operations Questions and Answers 2 — Questions and Answers
Question 1: What is 7/8 − 1/4?
- 6/4
- 5/8 (Correct answer)
- 3/4
- 6/8
Correct answer: 5/8
Convert 1/4 to 2/8, then subtract: 7/8 − 2/8 = 5/8.
Question 2: What is 1.25 × 4?
- 4.5
- 5 (Correct answer)
- 5.5
- 6
Correct answer: 5
1.25 × 4 = 5.00, since 1.25 is equivalent to 5/4 and 5/4 × 4 = 5.
Question 3: Convert 0.3 to a fraction in simplest form.
- 3/10 (Correct answer)
- 1/3
- 30/100
- 3/100
Correct answer: 3/10
0.3 means 3 tenths, written as 3/10, which is already in simplest form.
Question 4: What is 2 1/2 + 1 3/4?
- 3 3/4
- 4 1/4 (Correct answer)
- 4 3/4
- 3 1/4
Correct answer: 4 1/4
2 1/2 = 2 2/4; add 2 2/4 + 1 3/4 = 3 5/4 = 4 1/4.
Question 5: What is the greatest common factor (GCF) of 18 and 24?
- 4
- 6 (Correct answer)
- 8
- 12
Correct answer: 6
Factors of 18: 1,2,3,6,9,18; factors of 24: 1,2,3,4,6,8,12,24; the greatest common factor is 6.
Question 6: A number is increased from 40 to 50. What is the percent increase?
- 10%
- 20%
- 25% (Correct answer)
- 15%
Correct answer: 25%
Percent increase = (10/40) × 100 = 25%.
What is 7/8 − 1/4?