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GED Practice Questions
Original practice questions for the GED Test (GED Testing Service), mixed across 5 topics with instant answers and explanations. Practise by topic below or take the timed mock test.
GED mixed practice
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Q1.AlgebraFind the sum of the first 17 terms of the AP 17, 23, 29, …
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Answer: D — 1105
Sₙ = n/2 × [2a + (n − 1)d] = 17/2 × [34 + 96] = 1,105.
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Q2.PercentagesTwo successive discounts of 25% and 15% are equivalent to a single discount of:
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Answer: B — 36.25%
Net discount = a + b − ab/100 = 25 + 15 − 25×15/100 = 36.25%.
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Q3.Geometry & MensurationFind the distance between (1, -1) and (9, 14).
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Answer: B — 17
Distance = √((Δx)² + (Δy)²) = √(8² + 15²) = 17.
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Q4.English GrammarChoose the correct option: Hardly had he left ___ it started raining.
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Answer: C — when
The correlative pair is “hardly … when” (also “no sooner … than”).
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Q5.World General KnowledgeThe Cold War was mainly between the USA and:
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Answer: B — The Soviet Union
The rivalry was between the USA and the USSR (1947–1991).
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Q6.AlgebraSolve: 2x + 4y = 50 and 2x + 5y = 61
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Answer: D — x = 3, y = 11
Elimination/substitution gives x = 3, y = 11. Check: 2(3) + 4(11) = 50 ✓ and 2(3) + 5(11) = 61 ✓.
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Q7.PercentagesThe price of an item changes from $675 to $607.5. What is the percentage change?
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Answer: C — 10% decrease
Change = -67.5 on a base of 675: -67.5/675 × 100 = 10% decrease. Always divide by the ORIGINAL value.
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Q8.Geometry & MensurationA right triangle has legs 9 cm and 12 cm. Find the hypotenuse.
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Answer: B — 15 cm
By Pythagoras, hypotenuse = √(9² + 12²) = √225 = 15.
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Q9.English GrammarIdentify the correct sentence.
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Answer: A — He and I went to the market.
Subject pronouns (he, I) are needed for the subject of the verb.
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Q10.World General KnowledgeThe World Trade Organization was established in:
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Answer: B — 1995
The WTO replaced GATT on 1 January 1995.
About GED
GED Test — conducted by GED Testing Service. A high-school equivalency credential covering math, language arts, science and social studies.
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.
- Geometry & Mensuration questions — Memorise core formulas (circle πr², triangle ½bh, Pythagoras, distance √((x₂−x₁)² + (y₂−y₁)²)).
- English Grammar questions — Find the subject first and make the verb agree with it, ignoring phrases in between.
- World General Knowledge questions — Group facts by theme — organisations and headquarters, rivers and deserts, treaties and dates — and revise them as tables.
- GED mock test — 25 timed questions.
GED practice topics
| Topic | Section | Question source |
|---|---|---|
| Algebra | Mathematics | Calculated (new numbers every set) |
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| Geometry & Mensuration | Mathematics | Calculated (new numbers every set) |
| English Grammar | English | Question bank |
| World General Knowledge | General awareness | Question bank |