Pattern followed:
- Total Questions (Full Test): 120
- Marks: 120
- Time: 90 minutes
- Subjects: Quantitative Aptitude, Reasoning, General Awareness, General Science
| Section | Number of Questions | Marks |
|---|---|---|
| Quantitative Aptitude | 30 | 30 |
| Reasoning Ability | 30 | 30 |
| General Awareness | 30 | 30 |
| General Science | 30 | 30 |
| Total | 120 | 120 |
DRDO CEPTAM Technician (Tech-A) Mock Test – High Difficulty
Part 1 (Questions 1–30)
Section: Quantitative Aptitude
Q1.
A number when increased by 25% becomes 500. What was the original number?
A. 350
B. 375
C. 400
D. 425
Q2.
If the ratio of two numbers is 5:7 and their difference is 36, find the larger number.
A. 210
B. 126
C. 168
D. 144
Q3.
The average of five numbers is 48. If one number is excluded, the average becomes 45. What is the excluded number?
A. 55
B. 60
C. 63
D. 72
Q4.
A train 240 m long crosses a platform 360 m long in 30 seconds. What is the speed of the train?
A. 60 km/h
B. 72 km/h
C. 48 km/h
D. 54 km/h
Q5.
The compound interest on ₹5000 for 2 years at 10% per annum is:
A. ₹1000
B. ₹1050
C. ₹1100
D. ₹1150
Q6.
If x+x1=5, find x2+x21.
A. 21
B. 23
C. 25
D. 27
Q7.
A shopkeeper marks an item 40% above cost price and allows a discount of 10%. His profit percentage is:
A. 20%
B. 24%
C. 26%
D. 28%
Q8.
The LCM of two numbers is 180 and their HCF is 12. If one number is 36, the other number is:
A. 48
B. 60
C. 72
D. 90
Q9.
A man can complete a work in 15 days and another in 20 days. If they work together, how many days will it take?
A. 8 days
B. 9 days
C. 8.57 days
D. 10 days
Q10.
If 12 workers can complete a job in 18 days, how many workers are required to complete it in 12 days?
A. 15
B. 16
C. 18
D. 20
Q11.
Find the missing number:
3, 9, 27, 81, ?
A. 162
B. 243
C. 324
D. 729
Q12.
A sum of money becomes ₹6400 in 2 years at simple interest rate of 10% per annum. What was the principal?
A. 5000
B. 5200
C. 5400
D. 5600
Q13.
The perimeter of a rectangle is 84 cm and the length is 26 cm. Find the breadth.
A. 14 cm
B. 16 cm
C. 18 cm
D. 20 cm
Q14.
A car travels 60 km at 30 km/h and another 60 km at 60 km/h. What is the average speed?
A. 36 km/h
B. 40 km/h
C. 45 km/h
D. 48 km/h
Q15.
If the radius of a circle is doubled, its area becomes:
A. Double
B. Three times
C. Four times
D. Eight times
Q16.
Find the value of:
152−142
A. 27
B. 29
C. 31
D. 35
Q17.
The sum of three consecutive even numbers is 72. Find the largest number.
A. 22
B. 24
C. 26
D. 28
Q18.
If 3x−7=20, find x.
A. 7
B. 8
C. 9
D. 10
Q19.
A mixture contains milk and water in the ratio 5:3. If 16 liters of water is added, the ratio becomes 5:7. Find the original quantity of milk.
A. 20 L
B. 25 L
C. 30 L
D. 40 L
Q20.
Find the next number in the series:
2, 6, 12, 20, 30, ?
A. 40
B. 42
C. 44
D. 46
Q21.
The area of a triangle with base 12 cm and height 8 cm is:
A. 36 cm²
B. 40 cm²
C. 48 cm²
D. 56 cm²
Q22.
Find the value of 144+81.
A. 18
B. 19
C. 21
D. 24
Q23.
If a number is divided by 8, the remainder is 5. What will be the remainder if the same number is divided by 4?
A. 1
B. 2
C. 3
D. 0
Q24.
A person spends 75% of his income. If his income is ₹40,000, his savings are:
A. ₹8,000
B. ₹10,000
C. ₹12,000
D. ₹15,000
Q25.
The cube of 12 is:
A. 1440
B. 1728
C. 1331
D. 1560
Q26.
Find the HCF of 48, 72, and 96.
A. 12
B. 16
C. 24
D. 8
Q27.
If 7x=91, find x.
A. 11
B. 12
C. 13
D. 14
Q28.
A number is increased by 20% and then decreased by 20%. The final result compared to the original number is:
A. Same
B. 4% decrease
C. 4% increase
D. 8% decrease
Q29.
Find the next term:
5, 11, 23, 47, ?
A. 92
B. 95
C. 97
D. 101
Q30.
If the cost of 8 pens is ₹96, what is the cost of 15 pens?
A. ₹160
B. ₹170
C. ₹180
D. ₹200
DRDO CEPTAM Technician (Tech-A) Mock Test
Part 2 – Reasoning Ability (Questions 31–60)
Q31.
Find the next number in the series:
4, 9, 16, 25, 36, ?
A. 42
B. 48
C. 49
D. 56
Q32.
Find the missing term:
2, 6, 7, 21, 22, ?
A. 44
B. 60
C. 66
D. 72
Q33.
If CAT = 24 and DOG = 26, what is PEN?
A. 30
B. 31
C. 33
D. 35
Q34.
Find the odd word.
A. Tiger
B. Lion
C. Leopard
D. Elephant
Q35.
If A = 1, B = 2, C = 3…, find the value of ACE.
A. 7
B. 9
C. 11
D. 15
Q36.
Complete the analogy:
Book : Author :: Painting : ?
A. Museum
B. Artist
C. Gallery
D. Brush
Q37.
Which number will replace the question mark?
3, 6, 18, 72, ?
A. 144
B. 216
C. 360
D. 432
Q38.
Find the odd number.
A. 121
B. 144
C. 169
D. 196
Q39.
If TRAIN is written as USBOJ, how is PLANE written?
A. QMBMF
B. QNBOF
C. QNBOE
D. QMBOF
Q40.
Find the missing term:
1, 4, 9, 16, ?, 36
A. 20
B. 21
C. 24
D. 25
Q41.
Pointing to a woman, Ramesh said, “She is the daughter of my grandfather’s only son.” How is the woman related to Ramesh?
A. Sister
B. Cousin
C. Mother
D. Aunt
Q42.
Which word cannot be formed using the letters of COMPUTER?
A. CORE
B. TERM
C. MUTE
D. PUREE
Q43.
Find the odd pair.
A. 2 – 4
B. 3 – 9
C. 4 – 16
D. 5 – 20
Q44.
If RED = 27 and BLUE = 40, find GREEN.
A. 49
B. 50
C. 55
D. 60
Q45.
Find the missing number:
7, 14, 28, 56, ?
A. 96
B. 112
C. 128
D. 144
Q46.
Which number does not belong to the group?
A. 17
B. 19
C. 23
D. 27
Q47.
Complete the analogy:
Doctor : Hospital :: Teacher : ?
A. Classroom
B. School
C. Book
D. Student
Q48.
Find the next term:
5, 10, 20, 40, ?
A. 60
B. 70
C. 80
D. 100
Q49.
If FLOWER is coded as EKNVDQ, how is GARDEN coded?
A. FZQC DM
B. FZQCDM
C. FZQCEM
D. FZQCFM
Q50.
Find the odd number.
A. 64
B. 81
C. 100
D. 121
Q51.
Which letter will come next in the series?
B, E, H, K, ?
A. M
B. N
C. O
D. P
Q52.
Find the missing number:
8, 24, 12, 36, 18, ?
A. 48
B. 54
C. 60
D. 72
Q53.
If MONDAY = 26, what is FRIDAY?
A. 24
B. 30
C. 33
D. 35
Q54.
Choose the odd word.
A. January
B. March
C. May
D. Monday
Q55.
Complete the analogy:
Knife : Cut :: Pen : ?
A. Write
B. Paper
C. Ink
D. Draw
Q56.
Find the missing term:
11, 13, 17, 19, 23, ?
A. 25
B. 27
C. 29
D. 31
Q57.
If APPLE = 50, what is MANGO?
A. 60
B. 61
C. 62
D. 63
Q58.
Find the next number:
2, 3, 5, 8, 13, ?
A. 18
B. 19
C. 20
D. 21
Q59.
If CLOCK is coded as KCOLC, what type of coding is used?
A. Letter shifting
B. Reverse order
C. Alternating code
D. Number substitution
Q60.
Find the missing number:
6, 12, 24, 48, ?
A. 72
B. 84
C. 96
D. 108
DRDO CEPTAM Technician (Tech-A) Mock Test
Part 3 – General Awareness (Questions 61–90)
Q61.
Who is known as the “Missile Man of India”?
A. Homi J. Bhabha
B. Vikram Sarabhai
C. A. P. J. Abdul Kalam
D. Satish Dhawan
Q62.
Which organization conducts the CEPTAM examination?
A. Indian Space Research Organisation
B. Defence Research and Development Organisation
C. Bhabha Atomic Research Centre
D. Indian Institute of Science
Q63.
The capital city of Rajasthan is:
A. Udaipur
B. Jodhpur
C. Jaipur
D. Ajmer
Q64.
Which river is the longest in India?
A. Yamuna River
B. Godavari River
C. Ganga River
D. Krishna River
Q65.
Who wrote the national anthem of India, Jana Gana Mana?
A. Bankim Chandra Chattopadhyay
B. Rabindranath Tagore
C. Subramania Bharati
D. Sarojini Naidu
Q66.
Which planet is known as the Red Planet?
A. Mercury
B. Mars
C. Venus
D. Jupiter
Q67.
The Right to Information Act in India was enacted in which year?
A. 2003
B. 2005
C. 2007
D. 2010
Q68.
Who is known as the Father of the Indian Constitution?
A. Jawaharlal Nehru
B. B. R. Ambedkar
C. Sardar Vallabhbhai Patel
D. Rajendra Prasad
Q69.
Which is the largest desert in India?
A. Thar Desert
B. Sahara Desert
C. Gobi Desert
D. Kalahari Desert
Q70.
Which Indian state is known as the “Land of Five Rivers”?
A. Punjab
B. Haryana
C. Uttar Pradesh
D. Bihar
Q71.
Who was the first Prime Minister of India?
A. Jawaharlal Nehru
B. Lal Bahadur Shastri
C. Indira Gandhi
D. Rajiv Gandhi
Q72.
Which currency is used in Japan?
A. Yuan
B. Yen
C. Won
D. Ringgit
Q73.
The headquarters of the United Nations is located in:
A. Geneva
B. Paris
C. New York
D. London
Q74.
Which freedom fighter led the Salt March in 1930?
A. Mahatma Gandhi
B. Bal Gangadhar Tilak
C. Subhas Chandra Bose
D. Bhagat Singh
Q75.
Which gas is most abundant in Earth’s atmosphere?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Argon
Q76.
The national animal of India is:
A. Lion
B. Elephant
C. Tiger
D. Leopard
Q77.
Which monument is located in Agra?
A. Qutub Minar
B. Taj Mahal
C. Gateway of India
D. Charminar
Q78.
Who invented the telephone?
A. Thomas Edison
B. Alexander Graham Bell
C. Nikola Tesla
D. Guglielmo Marconi
Q79.
Which ocean is the largest on Earth?
A. Atlantic Ocean
B. Indian Ocean
C. Pacific Ocean
D. Arctic Ocean
Q80.
Which country hosted the 2016 Summer Olympics?
A. China
B. Brazil
C. Japan
D. UK
Q81.
Which metal is liquid at room temperature?
A. Iron
B. Mercury
C. Copper
D. Aluminium
Q82.
Which Indian state has the longest coastline?
A. Tamil Nadu
B. Gujarat
C. Kerala
D. Maharashtra
Q83.
Who was the first President of India?
A. Rajendra Prasad
B. Sarvepalli Radhakrishnan
C. Zakir Husain
D. V. V. Giri
Q84.
Which Indian mission first successfully reached Mars?
A. Chandrayaan‑1
B. Mars Orbiter Mission
C. Chandrayaan‑2
D. Gaganyaan
Q85.
Which organ purifies blood in the human body?
A. Heart
B. Liver
C. Kidney
D. Lungs
Q86.
Which festival is known as the Festival of Lights in India?
A. Holi
B. Diwali
C. Eid al‑Fitr
D. Pongal
Q87.
The headquarters of the World Health Organization is located in:
A. New York
B. Geneva
C. Paris
D. Rome
Q88.
Which Indian state is famous for tea plantations?
A. Assam
B. Punjab
C. Bihar
D. Rajasthan
Q89.
Which gas is responsible for the greenhouse effect?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen
Q90.
Who discovered gravity?
A. Albert Einstein
B. Isaac Newton
C. Galileo Galilei
D. Johannes Kepler
DRDO CEPTAM Technician (Tech-A) Mock Test
Part 4 – General Science (Questions 91–120)
Q91.
Which part of the cell controls all cellular activities?
A. Cytoplasm
B. Nucleus
C. Ribosome
D. Cell membrane
Q92.
The unit of electric current is:
A. Volt
B. Ohm
C. Ampere
D. Watt
Q93.
Which vitamin is mainly obtained from sunlight?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Q94.
Which metal is the best conductor of electricity?
A. Copper
B. Aluminium
C. Silver
D. Iron
Q95.
Which force keeps the planets moving around the Sun?
A. Magnetic force
B. Gravitational force
C. Frictional force
D. Electrostatic force
Q96.
The chemical formula of common salt is:
A. NaCl
B. KCl
C. Na₂CO₃
D. CaCO₃
Q97.
Which gas is used in fire extinguishers?
A. Oxygen
B. Hydrogen
C. Carbon dioxide
D. Nitrogen
Q98.
Which blood cells help in clotting of blood?
A. Red blood cells
B. White blood cells
C. Platelets
D. Plasma
Q99.
The speed of light in vacuum is approximately:
A. 3 × 10⁸ m/s
B. 3 × 10⁶ m/s
C. 3 × 10⁵ km/s
D. 3 × 10⁷ m/s
Q100.
Which organ of the human body produces insulin?
A. Liver
B. Pancreas
C. Kidney
D. Stomach
Q101.
Which type of energy is stored in a stretched spring?
A. Kinetic energy
B. Potential energy
C. Thermal energy
D. Chemical energy
Q102.
Which planet has the largest number of moons?
A. Earth
B. Mars
C. Jupiter
D. Venus
Q103.
Which acid is present in lemon?
A. Acetic acid
B. Citric acid
C. Lactic acid
D. Sulphuric acid
Q104.
Which instrument is used to measure atmospheric pressure?
A. Thermometer
B. Barometer
C. Hygrometer
D. Anemometer
Q105.
Which element has the chemical symbol Fe?
A. Fluorine
B. Iron
C. Francium
D. Fermium
Q106.
Which process do plants use to make their food?
A. Respiration
B. Photosynthesis
C. Transpiration
D. Digestion
Q107.
The SI unit of force is:
A. Joule
B. Newton
C. Pascal
D. Watt
Q108.
Which part of the eye controls the amount of light entering it?
A. Retina
B. Pupil
C. Cornea
D. Lens
Q109.
Which gas is mainly responsible for acid rain?
A. Carbon dioxide
B. Sulphur dioxide
C. Hydrogen
D. Nitrogen
Q110.
Which vitamin deficiency causes scurvy?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Q111.
Which device converts electrical energy into mechanical energy?
A. Generator
B. Motor
C. Transformer
D. Battery
Q112.
Which part of the plant conducts water from roots to leaves?
A. Phloem
B. Xylem
C. Cambium
D. Epidermis
Q113.
Which gas do humans inhale for respiration?
A. Carbon dioxide
B. Nitrogen
C. Oxygen
D. Hydrogen
Q114.
The boiling point of water at standard atmospheric pressure is:
A. 90°C
B. 95°C
C. 100°C
D. 110°C
Q115.
Which metal is used in making aircraft bodies due to its light weight?
A. Copper
B. Aluminium
C. Iron
D. Zinc
Q116.
Which type of mirror is used as a rear-view mirror in vehicles?
A. Plane mirror
B. Convex mirror
C. Concave mirror
D. Spherical mirror
Q117.
Which scientist proposed the laws of motion?
A. Albert Einstein
B. Isaac Newton
C. Galileo Galilei
D. Niels Bohr
Q118.
Which part of the brain controls balance and coordination?
A. Cerebrum
B. Cerebellum
C. Medulla
D. Hypothalamus
Q119.
Which form of energy is produced by the Sun?
A. Nuclear energy
B. Solar energy
C. Wind energy
D. Geothermal energy
Q120.
Which process converts water vapor into liquid water?
A. Evaporation
B. Condensation
C. Sublimation
D. Precipitation
| Q.No | Answer | Q.No | Answer | Q.No | Answer | Q.No | Answer |
|---|---|---|---|---|---|---|---|
| 1 | C | 31 | C | 61 | C | 91 | B |
| 2 | A | 32 | C | 62 | B | 92 | C |
| 3 | C | 33 | C | 63 | C | 93 | D |
| 4 | B | 34 | D | 64 | C | 94 | C |
| 5 | B | 35 | B | 65 | B | 95 | B |
| 6 | B | 36 | B | 66 | B | 96 | A |
| 7 | C | 37 | D | 67 | B | 97 | C |
| 8 | B | 38 | B | 68 | B | 98 | C |
| 9 | C | 39 | A | 69 | A | 99 | A |
| 10 | C | 40 | D | 70 | A | 100 | B |
| 11 | B | 41 | A | 71 | A | 101 | B |
| 12 | A | 42 | D | 72 | B | 102 | C |
| 13 | B | 43 | D | 73 | C | 103 | B |
| 14 | B | 44 | B | 74 | A | 104 | B |
| 15 | C | 45 | B | 75 | B | 105 | B |
| 16 | B | 46 | D | 76 | C | 106 | B |
| 17 | C | 47 | B | 77 | B | 107 | B |
| 18 | C | 48 | C | 78 | B | 108 | B |
| 19 | D | 49 | B | 79 | C | 109 | B |
| 20 | B | 50 | C | 80 | B | 110 | C |
| 21 | C | 51 | N | 81 | B | 111 | B |
| 22 | C | 52 | B | 82 | B | 112 | B |
| 23 | A | 53 | B | 83 | A | 113 | C |
| 24 | B | 54 | D | 84 | B | 114 | C |
| 25 | B | 55 | A | 85 | C | 115 | B |
| 26 | C | 56 | C | 86 | B | 116 | B |
| 27 | C | 57 | C | 87 | B | 117 | B |
| 28 | B | 58 | D | 88 | A | 118 | B |
| 29 | B | 59 | B | 89 | C | 119 | B |
| 30 | C | 60 | C | 90 | B | 120 | B |
Disclaimer
This mock test is provided for educational and practice purposes only. The questions are original and created to simulate the exam pattern for practice. This website is not affiliated with or endorsed by the Defence Research and Development Organisation or any government authority. Exam names are used only for reference to help students understand the exam format.