If you're preparing for the DRDO CEPTAM 11 exam, one of the smartest strategies to crack it is solving Previous Year Questions (PYQs). These questions help you understand the exam pattern, difficulty level, and the most-asked topics.
To make your preparation stronger, we have compiled DRDO CEPTAM 11 Previous Year Questions directly from the official memory-based papers. This includes General Intelligence, Quantitative Aptitude, General Awareness, Reasoning, English, and Science sections.
This blog also contains:
Section-wise analysis
Important repeated topics
Downloadable PYQ sets
Tables for easy reference
Expert preparation tips
Let’s begin!
DRDO CEPTAM conducts recruitment for various technical and administrative posts such as STA-B, Tech-A, Admin & Allied, etc. The exam consists of objective-type questions and is known for moderate difficulty.
DRDO PYQs help you:
Identify most important topics
Understand trend-based questions
Practice calculation-based MCQs
Improve speed & accuracy
Simulate real exam scenarios
DRDO CEPTAM 11 Previous Year Questions
| Q.No. | Question | Option A | Option B | Option C | Option D | Correct Answer |
|---|---|---|---|---|---|---|
| 1 | Find the value of sin 30°. | 1/√2 | 1/2 | √3/2 | 1 | B |
| 2 | Two unbiased dice are thrown. Probability of getting sum 5? | 1/9 | 2/3 | 5/9 | 6/11 | A |
| 3 | Probability of getting sum 10 on two dice? | 1/3 | 1/4 | 1/12 | 1/9 | C |
| 4 | Total surface area of hemisphere = 108π cm². Find its volume. | 216π cm³ | 54π/√3 cm³ | 108π/√3 cm³ | 144π/3 cm³ | D |
| 5 | Which equation is not satisfied by point (-4, 8)? | 2x+3y=16 | 3x+2y=4 | x+2y=12 | 3x–y=20 | D |
| 6 | A is younger than B by 8 yrs. 4 yrs ago ratio 1:2. Find age of B. | 12 | 20 | 11 | 18 | B |
| 7 | Equation of line through (3,5) & (7,9). | 4x−y+3=0 | x−y+2=0 | 6x+y−2=0 | 8x−3y+2=0 | B |
| 8 | Sugar mix ratio (Rs 60 & Rs 78) for 20% gain @ ₹76.8/kg? | 7:4 | 7:2 | 5:3 | 5:2 | B |
| 9 | Mobile bought at 20% discount; at 25% discount she’d save ₹2000 more. Paid price? | 28,000 | 32,000 | 40,000 | 25,000 | B |
| 10 | MP = ₹1850; discounts 20% & 30%; selling price? | 1024 | 1036 | 1246 | 1530 | B |
| Q.No. | Question | Option A | Option B | Option C | Option D | Correct Answer |
|---|---|---|---|---|---|---|
| 11 | What percentage of numbers from 1 to 60 have 9 in unit digit? | 20 | 12 | 10 | 21 | C |
| 12 | Six bells toll at intervals of 2,4,6,8,10,12 sec. In 30 minutes, how many times toll together? | 4 | 10 | 15 | 16 | D |
| 13 | Avg income of 30 persons = ₹5600 and 25 persons = ₹5000. Find overall average. | 4578.25 | 4589.26 | 5238.29 | 5327.27 | D |
| 14 | Average of 75, 60, 58, 43, 28, 19, 15, 6 = ? | 44 | 38 | 24 | 56 | B |
| 15 | 3 cubes of diagonal 15 cm form a cuboid. Find volume. | 10125√3 cm³ | 12751 cm³ | 30375 cm³ | 17212 cm³ | A |
| 16 | Wall: 21m × 12m × 36cm. Brick: 28×18×6 cm. Bricks needed? | 24000 | 30000 | 25000 | 20000 | B |
| 17 | Diagonal of rectangle = 13 cm, perimeter = 34 cm. Area? | 60 | 75 | 30 | 45 | A |
| 18 | Average of first 10 multiples of 11? | 60.5 | 55.5 | 55 | 60 | A |
| 19 | AP: a=5, d=7. Find 12th term. | 80 | 82 | 89 | None | B |
| 20 | Triangle ABC, right angled at B. AB=12 cm, AC=13 cm. Find BC. | 5 cm | 6 cm | 7 cm | 8 cm | A |
| Q.No. | Question | Option A | Option B | Option C | Option D | Correct Answer |
|---|---|---|---|---|---|---|
| 21 | Difference between SI and CI for 2 yrs @10% is ₹631. Find Principal. | 6310 | 60310 | 63100 | 631 | C |
| 22 | A does work in 10 days. B is 25% more efficient. Days B takes? | 7 | 8 | 6 | 9 | B |
| 23 | Bus passes two persons at 3 km/h & 5 km/h in 10s & 11s. Speed of bus? | 25 km/h | 24 km/h | 27 km/h | 28 km/h | A |
| 24 | ₹63,800 divided in ratio 4:7. Difference? | 23,200 | 40,600 | 25,000 | 17,400 | D |
| 25 | Vitamin-C is richest in? | Milk | Apple | Lemon | Cereals | C |
| 26 | Speed of sound in air? | 331 m/s | 331 m | 331 m²/s | 331 m/s² | A |
| 27 | Least distance of vision for normal eye? | 10 cm | 25 cm | 15 cm | 50 cm | B |
| 28 | Acid in ant sting? | Methanoic acid | Oxalic acid | Lactic acid | Citric acid | A |
| 29 | SI unit of electric current? | Watt | Volt | Ampere | Coulomb | C |
| 30 | Instrument used to measure magnetic flux? | Manometer | Gravimeter | Galvanometer | Magnetometer | D |
| Q.No. | Question | Option A | Option B | Option C | Option D | Correct Answer |
|---|---|---|---|---|---|---|
| 31 | Dimensional formula of coefficient of viscosity? | M L T² | M L T⁻² | M L⁻² T⁻³ | M L⁻¹ T⁻¹ | D |
| 32 | Dimensional formula of force? | MLT⁻² | ML²T⁻² | ML⁻¹T⁻² | LT⁻¹ | A |
| 33 | Magnetic field inside a solenoid from one end to the other? | Increases | Decreases | Remains same | First increases then decreases | C |
| 34 | Unit of force constant (spring constant) k? | N-m | N/m | N-m² | N/m² | B |
| 35 | Example of potential energy? | Water in overhead tank | Blowing wind | Flowing water | Rushing steam | A |
| 36 | Which reaction is NOT oxidation? | Rusting of iron | Burning of CO | Zn + HCl | Extraction of Sodium | D |
| 37 | Correct formula of gravitational force? | G m₁m₂ / r² | ½ G m₁m₂ / r² | G m₁m₂ / r² | G m₁m₂ / r | C |
| 38 | Resistance if V=5V & I=0.1A? | 0.5Ω | 100Ω | 50Ω | 1Ω | C |
| 39 | Object thrown up at 14 m/s, reaches 10m height. Time to reach top? | 1.63s | 1.43s | 1.53s | 1.33s | B |
| 40 | Relation between focal length and radius of curvature? | F=2 | R=f/2 | R=2f | R=f/2 | C |
| Q.No. | Question | Option A | Option B | Option C | Option D | Correct Answer |
|---|---|---|---|---|---|---|
| 41 | Work done by gravity on a satellite moving in circular orbit (radius 40,000 km)? | 0 J | 8,000 J | 4,000 J | 4,00,000 J | A |
| 42 | Correct order of power consumption for equal intensity light? | CFL < Fluorescent < Incandescent < LED | LED < CFL < Fluorescent < Incandescent | CFL < Fluorescent < LED < Incandescent | Incandescent < LED < Fluorescent < CFL | A |
| 43 | Autotrophic nutrition requires? | Methane | CO₂, Water, Chlorophyll, Sunlight | CO + Water | Chlorophyll + Oxygen | B |
| 44 | Sublimation region is where: | Solid & vapour equilibrium | Solid & liquid | Liquid & vapour | Solid, liquid & vapour | A |
| 45 | Parkinson’s disease is caused by: | Hereditary | Brain cells death | Impairment of dopamine cells | Nerve demyelination | C |
| 46 | Autotrophic organisms include? | Bacteria & virus | Bacteria & fungi | Green plants & some bacteria | Green plants & all bacteria | C |
| 47 | Which element's position is anomalous in Modern Periodic Table? | He | H | Li | Be | B |
| 48 | Lens formula? | 1/v – 1/u = 1/f | –1/u + 1/v = 1/f | 1/v + 1/u = 1/f | –v/u = f | A |
| 49 | Power of lens is measured in? | Diopter | Ion | Lumen | Candela | A |
| 50 | Pulse oximeter measures? | Oxygen saturation | Pulse rate | Both 1 & 2 | None | C |
| Q.No. | Question | Option A | Option B | Option C | Option D | Correct Answer |
|---|---|---|---|---|---|---|
| 51 | Which medicine is suggested by doctors in menstrual cycle? | Medroxyprogesterone | Bedaquiline | Nizoral | Ketoconazole | A |
| 52 | HIV was discovered by? | Luc Montagnier | Jakob Heine | Alphonse Laveran | Robert Hooke | A |
| 53 | Pinaka (DRDO) is a? | Battle tank | Multi-barrel rocket launcher | Anti-tank guided missile | Armoured vehicle | B |
| 54 | India’s indigenous long-range subsonic cruise missile? | Helena | Pinaka | Naag | Nirbhay | D |
| 55 | First missile developed by DRDO? | Agni | Prithvi | Prahaar | Nag | B |
| 56 | 80% of coal reserves of India lie in? | Damodar valley | Son valley | Mahanadi valley | Godavari valley | A |
| 57 | Winner of ICC Men’s T20 World Cup 2021? | New Zealand | England | West Indies | Australia | D |
| 58 | First artificial satellite Sputnik-1 was launched by? | France | USSR | Germany | USA | B |
| 59 | ’Transnistria’ is located between: | Moldova & Ukraine | Ukraine & Russia | Russia & Poland | Poland & Belarus | A |
| 60 | Aatmanirbhar Gujarat Scheme mainly for? | Education infra | Skilled labour | Assistance to industries | All of these | C |
| Q.No. | Question | Option A | Option B | Option C | Option D | Correct Answer |
|---|---|---|---|---|---|---|
| 71 | First national park established in India? | Velavadar NP | Periyar NP | Bandipur NP | Corbett National Park | D |
| 72 | One-word substitute: A sound that cannot be heard | Audible | Inaudible | Indelible | Inedible | B |
| 73 | One-word substitute: A person above 100 years | Centenarian | Venerable | Geriatric | Aged | A |
| 74 | Idiom: “A snake in the grass” | Good fortune | Unfortunate accident | Sudden death | Hidden enemy | D |
| 75 | Idiom: “Keep someone at arm’s length” | Restrict to a small space | Allow talk from distance | Make someone stay outside | Avoid being friendly | D |
| 76 | Convert to indirect speech: “Do you own this beautiful car?” | Wrong | He asked me if I owned that beautiful car. | Wrong | Wrong | B |
| 77 | Convert to direct speech: Life had become miserable (exclaimed sorrowfully). | Wrong | Wrong | Wrong | “Alas! How miserable life has become.” | D |
| 78 | Fill in blank: Need not ___ so much fuss. | Cause | Generate | Do | Make | D |
| 79 | Question tag: “I am expected to follow all your instructions, ___?” | is it | am I | isn’t it | aren’t I | D |
| 80 | Error segment: It is not worth / having the trouble / to write to him / as he never replies. | — | — | having the trouble | — | C |
| Q.No. | Question | Option A | Option B | Option C | Option D | Correct Answer |
|---|---|---|---|---|---|---|
| 81 | Identify the segment with grammatical error: Several minutes had passed / before she returned / carry milk / for the dog. | before she returned | carry milk | for the dog | Several minutes passed | B |
| 82 | Error: The increase in irrigated areas / has resulted on achieving / record food grain production. | — | has resulted on achieving | — | — | B |
| 83 | Error: The policeman asked / many people but / no one was knowing / how the accident happened. | — | — | no one was knowing | — | C |
| 84 | Antonym of "Deceive" | Delude | Pretend | Betray | Support | D |
| 85 | One-word substitution: Compulsion to steal | Megalomania | Pyromania | Kleptomania | Nymphomania | C |
| 86 | Incorrectly spelt word | Questionible | Flexible | Actually | Finally | A |
| 87 | Antonym of “Tranquil” | Temporal | Disturbed | Unruffled | Perpetual | B |
| 88 | Passive voice of “Shut the door.” | Wrong | Wrong | Wrong | Let the door be shut. | D |
| 89 | Antonym of “Substantial” | Subtle | Importune | Ample | Tenuous | D |
| 90 | Correct spelling | apalling | appalinng | appalling | appaling | C |
| Q.No. | Question | Option A | Option B | Option C | Option D | Correct Answer |
|---|---|---|---|---|---|---|
| 91 | Antonym of “Priggish” | Sensible | Coxcombical | Prim | Unbending | A |
| 92 | Fill in the blank (passage): Water level decreases in ______ in winters. | Rivers | Ponds | Valley | Streams | D |
| 93 | Who were interested in penicillin discovery in the beginning? | Governments | Scientists & Ministers | Teachers | Doctors | B |
| 94 | Correct statement about penicillin | Penicillin could save wounded soldiers | Incorrect | Incorrect | Incorrect | A |
| 95 | Fill in the blank: Divide these fruits ______ Rajesh and Rani. | Between | Among | Within | With | A |
| 96 | Next number in series: 1,4,9,16,25,… | 30 | 50 | 36 | 45 | C |
| 97 | Sitting arrangement: Who is second to the left of P? | N | M | S | R | D |
| 98 | RULES → IFOVH. LAW → ? | DOZ | OZD | DZO | ZDO | B |
| 99 | Tomorrow is Monday. After 67 days it will be? | Monday | Sunday | Thursday | Friday | C |
| 100 | Numbers present in only one of the given figures? | 4,6,7 | 1,2,9 | 3,7,9 | 2,3,8 | B |
Mensuration
Averages
Percentages
Probability
Simple & Compound Interest
Human Physiology
Basic Electricity
Light & Optics
Acids & Chemical Reactions
DRDO missiles
Current affairs (1-year)
Geography fundamentals
Articles of Constitution
Physics & Biology questions are basic but concept-oriented.
Most questions are NCERT level, but speed matters.
Repeated patterns will become clear.
To build exam temperament and timing.
Questions on Pinaka, Nirbhay, Prithvi repeat frequently.
Yes, many concepts and question types repeat with slight variations.
You can download it above; it contains the full memory-based paper.
Yes—most STA-B & Tech-A papers remain Easy to Moderate.
At least 6–10 months of updated current affairs.
DRDO CEPTAM 11 exam becomes much easier when you strategically practice Previous Year Questions (PYQs). The paper pattern remains consistent, which means your preparation can be highly predictable if you follow PYQs and mock tests regularly.
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