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GRE Mock Test
A timed 25-question mock for the GRE General Test covering percentages, algebra, geometry & mensuration, data interpretation, probability & combinatorics, vocabulary & idioms. Answer, submit and review every question with its explanation; set negative marking to match your exam’s current scheme.
GRE mock test
25 questions · 1 mark each · the timer starts with your first answer and the test submits itself when time runs out.
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Q1.PercentagesThe price of an item changes from $875 to $1,137.5. What is the percentage change?
Answer: B — 30% increase
Change = 262.5 on a base of 875: 262.5/875 × 100 = 30% increase. Always divide by the ORIGINAL value.
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Q2.AlgebraFind the sum of the first 17 terms of the AP 9, 17, 25, …
Answer: D — 1241
Sₙ = n/2 × [2a + (n − 1)d] = 17/2 × [18 + 128] = 1,241.
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Q3.Geometry & MensurationFind the area of a right triangle with legs 20 cm and 21 cm.
Answer: A — 210 cm²
Area = ½ × base × height = ½ × 20 × 21 = 210 cm².
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Q4.Data InterpretationThe average of 10 numbers is 26. If 42 is added, what is the new average?
Answer: D — 27.45
Old total = 10 × 26 = 260. New total = 260 + 42 = 302; new average = 302/11 = 27.45.
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Q5.Probability & CombinatoricsA card is drawn from a well-shuffled deck of 52. What is the probability that it is an ace or a king?
Answer: C — 2/13
There are 8 such cards in 52, so P = 8/52 = 2/13.
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Q6.Vocabulary & IdiomsChoose the synonym of LUCID.
Answer: C — Clear
Lucid means expressed clearly; easy to understand.
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Q7.PercentagesWhat is 40% of 780?
Answer: B — 312
40% of 780 = 40/100 × 780 = 312.
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Q8.AlgebraFind log₂ 4.
Answer: A — 2
log_2(4) asks “2 to what power gives 4?” → 2^2 = 4, so the answer is 2.
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Q9.Geometry & MensurationFind the distance between (-4, 4) and (-1, 8).
Answer: A — 5
Distance = √((Δx)² + (Δy)²) = √(3² + 4²) = 5.
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Q10.Data InterpretationThe price of an item changes from $975 to $1,121.25. What is the percentage change?
Answer: B — 15% increase
Change = 146.25 on a base of 975: 146.25/975 × 100 = 15% increase. Always divide by the ORIGINAL value.
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Q11.Probability & CombinatoricsTwo fair dice are thrown. What is the probability that the sum is 6?
Answer: C — 5/36
5 of the 36 equally likely outcomes give a sum of 6, so P = 5/36 = 5/36.
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Q12.Vocabulary & IdiomsChoose the antonym of CANDOUR.
Answer: D — Deceit
Candour = openness and honesty; deceit is its opposite.
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Q13.PercentagesTwo successive discounts of 15% and 15% are equivalent to a single discount of:
Answer: C — 27.75%
Net discount = a + b − ab/100 = 15 + 15 − 15×15/100 = 27.75%.
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Q14.AlgebraFind the sum of the first 10 terms of the AP 16, 19, 22, …
Answer: D — 295
Sₙ = n/2 × [2a + (n − 1)d] = 10/2 × [32 + 27] = 295.
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Q15.Geometry & MensurationFind the volume of a cylinder with radius 3 cm and height 5 cm.
Answer: D — 141.37 cm³
Using πr²h with π = 3.1416: 141.37 cm³.
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Q16.Data InterpretationSales (units): 2021: 750 · 2022: 390 · 2023: 480 · 2024: 270 · 2025: 740. What was the percentage change in 2024 over 2023?
Answer: C — -43.75%
Change = 270 − 480 = -210; ÷ 480 × 100 = -43.75%.
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Q17.Probability & CombinatoricsIn how many ways can a committee of 2 be chosen from 6 people?
Answer: D — 15
Order does not matter → combinations: 6C2 = 6! / (2!·4!) = 15.
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Q18.Vocabulary & IdiomsChoose the correctly spelt word.
Answer: C — Occurrence
Occurrence: double c, double r, -ence.
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Q19.PercentagesThe price of an item changes from $350 to $393.75. What is the percentage change?
Answer: A — 12.5% increase
Change = 43.75 on a base of 350: 43.75/350 × 100 = 12.5% increase. Always divide by the ORIGINAL value.
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Q20.AlgebraSolve: x² − 6x − 27 = 0
Answer: C — -3, 9
Find two roots with sum 6 and product -27: -3 and 9. So x² − 6x − 27 = (x + 3)(x − 9) = 0.
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Q21.Geometry & MensurationA right triangle has legs 9 cm and 12 cm. Find the hypotenuse.
Answer: A — 15 cm
By Pythagoras, hypotenuse = √(9² + 12²) = √225 = 15.
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Q22.Data InterpretationThe average of 6 numbers is 71. If 86 is added, what is the new average?
Answer: D — 73.14
Old total = 6 × 71 = 426. New total = 426 + 86 = 512; new average = 512/7 = 73.14.
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Q23.Probability & CombinatoricsIn how many ways can a committee of 2 be chosen from 12 people?
Answer: D — 66
Order does not matter → combinations: 12C2 = 12! / (2!·10!) = 66.
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Q24.Vocabulary & IdiomsChoose the synonym of DILIGENT.
Answer: D — Hard-working
Diligent means showing care and effort in work.
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Q25.PercentagesWhat is 18% of 400?
Answer: B — 72
18% of 400 = 18/100 × 400 = 72.
How the mock test works
- The timer starts with your first answer; the test submits itself when time runs out.
- Choose the negative marking that matches your exam (this test has no negative marking by default — check the official notification).
- After submitting you get your score, accuracy, time taken and a topic-wise breakdown, then every explanation.
- “New mock test” builds another paper — calculation questions get new numbers.
About GRE
GRE General Test — conducted by Educational Testing Service (ETS). Graduate admission test with Verbal Reasoning, Quantitative Reasoning and Analytical Writing.
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.
GRE practice topics
| Topic | Section | Question source |
|---|---|---|
| Percentages | Quantitative aptitude | Calculated (new numbers every set) |
| Algebra | Mathematics | Calculated (new numbers every set) |
| Geometry & Mensuration | Mathematics | Calculated (new numbers every set) |
| Data Interpretation | Data interpretation | Calculated (new numbers every set) |
| Probability & Combinatorics | Mathematics | Calculated (new numbers every set) |
| Vocabulary & Idioms | English | Question bank |