ALEKS Arithmetic and Number Sense 1 — Questions and Answers
Question 1: What is the value of 3/4 + 5/8?
- 11/8 (Correct answer)
- 8/12
- 1/2
- 2/3
Correct answer: 11/8
Convert 3/4 to 6/8, then add 6/8 + 5/8 = 11/8.
Question 2: Which of the following is equivalent to 0.35?
- 7/20 (Correct answer)
- 3/5
- 35/10
- 1/3
Correct answer: 7/20
0.35 = 35/100, which simplifies to 7/20 by dividing numerator and denominator by 5.
Question 3: What is the least common multiple (LCM) of 6 and 9?
- 18 (Correct answer)
- 3
- 54
- 12
Correct answer: 18
The LCM of 6 and 9 is 18 because it is the smallest number divisible by both 6 and 9.
Question 4: A store sells apples for $1.25 each. How much do 8 apples cost?
- $10.00 (Correct answer)
- $9.25
- $8.25
- $11.00
Correct answer: $10.00
Multiply 8 × $1.25 = $10.00.
Question 5: What is the absolute value of -17?
- 17 (Correct answer)
- -17
- 0
- 1/17
Correct answer: 17
The absolute value of any number is its distance from zero, so |-17| = 17.
Question 6: What is 15% of 240?
- 36 (Correct answer)
- 24
- 48
- 30
Correct answer: 36
15% of 240 = 0.15 × 240 = 36.
What is the value of 3/4 + 5/8?