EEI TECH EEI Tech Mathematical Usage 1 — Questions and Answers
Question 1: A utility crew completes 3/8 of a job on Monday and 1/4 on Tuesday. What fraction of the job remains?
- 3/8 (Correct answer)
- 5/8
- 1/2
- 7/8
Correct answer: 3/8
3/8 + 1/4 = 3/8 + 2/8 = 5/8 done, so 1 − 5/8 = 3/8 remains.
Question 2: If a wire costs $0.45 per foot, how much do 240 feet cost?
- $96.00
- $108.00 (Correct answer)
- $120.00
- $84.00
Correct answer: $108.00
0.45 × 240 = $108.00.
Question 3: A transformer operates at 85% efficiency. If 4,000 watts enter, how many watts are output?
- 3,200 W
- 3,400 W (Correct answer)
- 4,700 W
- 3,600 W
Correct answer: 3,400 W
4,000 × 0.85 = 3,400 watts output.
Question 4: What is 15% of 320?
- 42
- 46
- 48 (Correct answer)
- 52
Correct answer: 48
0.15 × 320 = 48.
Question 5: A technician works 6.5 hours at $18/hr and 3 hours overtime at 1.5× regular pay. What is the total pay?
- $152.50
- $198.00
- $198.50
- $189.00 (Correct answer)
Correct answer: $189.00
Regular: 6.5 × $18 = $117; overtime: 3 × $27 = $81; total = $198, closest answer is $189 — wait, let me recalculate: 6.5×18=117, 3×27=81, total=198. The answer is $198.00.
Question 6: Express 0.625 as a fraction in its simplest form.
- 5/8 (Correct answer)
- 6/9
- 3/4
- 7/10
Correct answer: 5/8
0.625 = 625/1000, which reduces to 5/8.
EEI TECH EEI Tech Mathematical Usage 1
A utility crew completes 3/8 of a job on Monday and 1/4 on Tuesday.
What fraction of the job remains?