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ASVAB Practice Questions
Original practice questions for the Armed Services Vocational Aptitude Battery (US Department of Defense), mixed across 5 topics with instant answers and explanations. Practise by topic below or take the timed mock test.
ASVAB mixed practice
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Q1.AlgebraSolve: x² + 13x + 40 = 0
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Answer: D — -8, -5
Find two roots with sum -13 and product 40: -8 and -5. So x² + 13x + 40 = (x + 8)(x + 5) = 0.
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Q2.PercentagesWhat is 25% of 940?
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Answer: C — 235
25% of 940 = 25/100 × 940 = 235.
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Q3.PhysicsThe unit of electrical resistance is the:
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Answer: C — Ohm
Resistance is measured in ohms (Ω).
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Q4.Vocabulary & IdiomsChoose the antonym of BENEVOLENT.
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Answer: B — Malevolent
Benevolent = well-meaning; malevolent = wishing harm.
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Q5.English GrammarChoose the correct comparative: This road is ___ than that one.
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Answer: C — narrower
Two-syllable adjectives ending in -ow usually take -er: “narrower”.
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Q6.AlgebraSolve: 4x + 5y = 59 and 4x + 3y = 37
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Answer: D — x = 1, y = 11
Elimination/substitution gives x = 1, y = 11. Check: 4(1) + 5(11) = 59 ✓ and 4(1) + 3(11) = 37 ✓.
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Q7.PercentagesThe price of an item changes from $575 to $646.88. What is the percentage change?
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Answer: A — 12.5% increase
Change = 71.88 on a base of 575: 71.88/575 × 100 = 12.5% increase. Always divide by the ORIGINAL value.
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Q8.PhysicsA current of 2 A flows through a 20 Ω resistor. What is the potential difference across it?
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Answer: C — 40 V
Ohm’s law: V = IR = 2 × 20 = 40 V.
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Q9.Vocabulary & IdiomsChoose the antonym of OPTIMISTIC.
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Answer: D — Pessimistic
Optimistic = expecting good outcomes; pessimistic = expecting the worst.
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Q10.English GrammarChoose the correct option: The number of applicants ___ increased.
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Answer: C — has
“The number of” takes a singular verb; “a number of” takes a plural verb.
About ASVAB
Armed Services Vocational Aptitude Battery — conducted by US Department of Defense. Determines eligibility and job placement in the US military.
Original practice questions written for this site in the style and difficulty of each exam’s syllabus. They are not past papers and the site is not affiliated with any exam body. Exam patterns, marking schemes and syllabi change — always check the latest official notification.
Practise by topic
- Algebra questions — Factorise quadratics by finding two numbers with the right sum and product; check roots by substitution.
- Percentages questions — Convert percentages to fractions you know by heart (12.5% = 1/8, 37.5% = 3/8, 16.67% = 1/6) and always divide a change by the ORIGINAL value.
- Physics questions — Write the formula before substituting and keep SI units throughout.
- Vocabulary & Idioms questions — Learn words in synonym/antonym pairs and by roots (bene = good, mal = bad, chron = time).
- English Grammar questions — Find the subject first and make the verb agree with it, ignoring phrases in between.
- ASVAB mock test — 25 timed questions.
ASVAB practice topics
| Topic | Section | Question source |
|---|---|---|
| Algebra | Mathematics | Calculated (new numbers every set) |
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| Physics | Science | Calculated + question bank |
| Vocabulary & Idioms | English | Question bank |
| English Grammar | English | Question bank |