| Section | Number of Questions | Marks | Topics Covered |
|---|---|---|---|
| General Intelligence & Reasoning | 30 | 30 | Logical reasoning, analogies, series, coding-decoding, puzzles |
| General Awareness | 30 | 30 | Current affairs, general science, DRDO-related updates, basic GK |
| Quantitative Aptitude | 30 | 30 | Arithmetic, algebra, geometry, data interpretation, problem-solving |
| General Science & Technical Knowledge | 30 | 30 | Physics, Chemistry, Biology, and trade-specific technical awareness relevant to STA-B |
Part 1 – General Intelligence & Reasoning (Questions 1–30)
Q1.
If CAT : DOG :: HEN : ?
A. PIG
B. FOX
C. CHICK
D. COW
Q2.
Find the odd one out: 2, 6, 12, 20, 30, 42
A. 12
B. 20
C. 30
D. 42
Q3.
Which number should come next in the series? 5, 10, 20, 40, ?
A. 50
B. 60
C. 80
D. 100
Q4.
In a certain code, APPLE is written as ELPPA. How is MANGO written?
A. GNOMA
B. OGNAM
C. GNAMO
D. ONMAG
Q5.
If 2x + 3 = 11, then x = ?
A. 2
B. 3
C. 4
D. 5
Q6.
Find the missing term: 3, 9, 27, ?, 243
A. 54
B. 81
C. 72
D. 90
Q7.
Select the related pair: Finger : Hand :: Leaf : ?
A. Branch
B. Tree
C. Root
D. Stem
Q8.
A word is hidden in this series: X L P E N I C D A T O R. Find the word.
A. PLANT
B. ACTION
C. DIRECT
D. POINTER
Q9.
Which figure completes the series? (Visual question – placeholder for diagram)
A. Option 1
B. Option 2
C. Option 3
D. Option 4
Q10.
If P → Q → R → S, which is the third letter in the sequence?
A. P
B. Q
C. R
D. S
Q11.
Find the odd one out: Triangle, Rectangle, Hexagon, Circle
A. Triangle
B. Rectangle
C. Hexagon
D. Circle
Q12.
If 7 workers can complete a task in 14 days, how many days will 14 workers take to complete the same task?
A. 5
B. 7
C. 10
D. 12
Q13.
Which number replaces the question mark? 2, 6, 12, 20, ?
A. 28
B. 30
C. 32
D. 35
Q14.
Select the next in series: Z, X, V, T, ?
A. S
B. R
C. P
D. Q
Q15.
If MATH : NIGHT :: DAY : ?
A. LIGHT
B. NIGHT
C. SUN
D. TIME
Q16.
Find the missing number: 1, 4, 9, 16, ?, 36
A. 20
B. 25
C. 30
D. 32
Q17.
Which is the odd one? Mercury, Venus, Mars, Moon
A. Mercury
B. Venus
C. Mars
D. Moon
Q18.
If 2 pencils + 3 erasers = 15 and 3 pencils + 2 erasers = 16, find the cost of 1 pencil.
A. 2
B. 3
C. 4
D. 5
Q19.
Which letter comes next? A, D, G, J, ?
A. L
B. M
C. K
D. N
Q20.
If CAT = 24 and DOG = 26, then BIRD = ?
A. 28
B. 33
C. 34
D. 36
Q21.
Select the related pair: Knife : Cut :: Pen : ?
A. Write
B. Draw
C. Ink
D. Paper
Q22.
Find the odd one out: 31, 37, 41, 44, 47
A. 31
B. 37
C. 41
D. 44
Q23.
If + means ×, − means +, × means −, then 6 − 3 × 2 + 4 = ?
A. 10
B. 14
C. 6
D. 8
Q24.
Find the missing number: 8, 12, 20, 32, ?
A. 48
B. 50
C. 52
D. 54
Q25.
Which number is a perfect square?
A. 121
B. 143
C. 157
D. 169
Q26.
Select the odd one out: Dog, Cat, Tiger, Crow
A. Dog
B. Cat
C. Tiger
D. Crow
Q27.
Which is the next term? 2, 6, 12, 20, 30, ?
A. 36
B. 40
C. 42
D. 48
Q28.
If A + B = 5, B + C = 7, C + D = 9, find A + D assuming A, B, C, D are integers.
A. 7
B. 8
C. 9
D. 10
Q29.
If a clock shows 3:15, the angle between hour and minute hand is:
A. 0°
B. 7.5°
C. 15°
D. 30°
Q30.
Find the missing number: 7, 14, 28, 56, ?
A. 84
B. 98
C. 112
D. 120
Part 2 – General Awareness (Questions 31–60)
Q31.
Who is the current Chief of Defence Staff (CDS) of India?
A. Bipin Rawat
B. Anil Chauhan
C. Manoj Mukund Naravane
D. Satish Dua
Q32.
Which is the heaviest naturally occurring element?
A. Uranium
B. Plutonium
C. Thorium
D. Radium
Q33.
The Defence Research and Development Organisation (DRDO) was established in:
A. 1948
B. 1958
C. 1962
D. 1971
Q34.
Which Indian missile is a short-range surface-to-surface ballistic missile?
A. Agni-I
B. Prithvi
C. BrahMos
D. Nirbhay
Q35.
National Science Day in India is celebrated on:
A. 25 February
B. 28 February
C. 26 February
D. 27 February
Q36.
Who discovered penicillin?
A. Alexander Fleming
B. Louis Pasteur
C. Robert Koch
D. Edward Jenner
Q37.
Which gas is primarily responsible for global warming?
A. Oxygen
B. Carbon Dioxide
C. Nitrogen
D. Hydrogen
Q38.
Which of the following is a non-renewable energy source?
A. Solar
B. Wind
C. Coal
D. Tidal
Q39.
Who is known as the “Missile Man of India”?
A. Homi Bhabha
B. Vikram Sarabhai
C. A.P.J. Abdul Kalam
D. Satish Dhawan
Q40.
The headquarters of DRDO is located at:
A. Mumbai
B. New Delhi
C. Bengaluru
D. Pune
Q41.
Which of the following is a primary component of BCG vaccine?
A. Attenuated Mycobacterium bovis
B. E. coli bacteria
C. Influenza virus
D. HIV virus
Q42.
Which planet is known as the “Red Planet”?
A. Mercury
B. Venus
C. Mars
D. Jupiter
Q43.
Which gas is used in electric bulbs to prevent filament oxidation?
A. Oxygen
B. Nitrogen
C. Argon
D. Helium
Q44.
Which Indian satellite is used for navigation purposes?
A. GSAT-6
B. IRNSS
C. INSAT-3C
D. Cartosat-2
Q45.
Who wrote the book “Wings of Fire”?
A. Rakesh Sharma
B. A.P.J. Abdul Kalam
C. Vikram Sarabhai
D. Homi Bhabha
Q46.
The headquarters of the United Nations is located in:
A. New York
B. Geneva
C. London
D. Paris
Q47.
Which of the following is a unit of radioactivity?
A. Tesla
B. Curie
C. Pascal
D. Watt
Q48.
India’s first indigenous aircraft carrier is:
A. INS Vikramaditya
B. INS Vikrant
C. INS Viraat
D. INS Shivalik
Q49.
Which vitamin is primarily obtained from sunlight?
A. Vitamin A
B. Vitamin B12
C. Vitamin D
D. Vitamin K
Q50.
Which element has the chemical symbol ‘Fe’?
A. Fluorine
B. Ferrium
C. Iron
D. Francium
Q51.
Which country launched the Chandrayaan-3 mission?
A. USA
B. India
C. Russia
D. China
Q52.
The Global Positioning System (GPS) was developed by:
A. Russia
B. USA
C. India
D. China
Q53.
Which is the lightest metal?
A. Aluminum
B. Lithium
C. Magnesium
D. Sodium
Q54.
Which Indian city is known as the “Science City of India”?
A. Bengaluru
B. Hyderabad
C. Pune
D. Kolkata
Q55.
Which of the following is a surface-to-air missile developed by DRDO?
A. Agni-V
B. Akash
C. Prithvi
D. Nirbhay
Q56.
The SI unit of force is:
A. Dyne
B. Newton
C. Joule
D. Pascal
Q57.
Which organ in the human body produces insulin?
A. Liver
B. Pancreas
C. Kidney
D. Spleen
Q58.
Who is the head of the Indian Space Research Organisation (ISRO)?
A. Rakesh Sharma
B. S. Somanath
C. A.P.J. Abdul Kalam
D. Vikram Sarabhai
Q59.
Which gas is used in fire extinguishers for electrical fires?
A. Carbon dioxide
B. Oxygen
C. Nitrogen
D. Helium
Q60.
Which Indian scientist is known for his contribution to nuclear physics and worked on India’s first nuclear test?
A. Vikram Sarabhai
B. Homi Bhabha
C. A.P.J. Abdul Kalam
D. C.V. Raman
Part 3 – Quantitative Aptitude (Questions 61–90)
Q61.
If 3x + 5 = 20, then x = ?
A. 5
B. 10
C. 3
D. 7
Q62.
The sum of first 20 natural numbers is:
A. 200
B. 210
C. 220
D. 230
Q63.
A train travels 120 km in 2 hours. Its average speed is:
A. 50 km/h
B. 60 km/h
C. 55 km/h
D. 65 km/h
Q64.
If the ratio of two numbers is 3:4 and their sum is 28, the numbers are:
A. 12, 16
B. 15, 20
C. 10, 18
D. 9, 12
Q65.
The area of a circle with radius 7 cm is:
A. 154 cm²
B. 144 cm²
C. 150 cm²
D. 160 cm²
(Take π = 22/7)
Q66.
The simple interest on ₹5000 at 5% per annum for 3 years is:
A. ₹750
B. ₹700
C. ₹800
D. ₹650
Q67.
A and B can do a work in 12 days and 15 days respectively. Working together, they will complete the work in:
A. 6.5 days
B. 6.8 days
C. 6.7 days
D. 7 days
Q68.
The square root of 1444 is:
A. 38
B. 40
C. 36
D. 42
Q69.
If the cost price of 20 items is equal to the selling price of 16 items, the profit percentage is:
A. 15%
B. 20%
C. 25%
D. 30%
Q70.
A man bought 5 pens for ₹15. What is the cost of 8 pens?
A. ₹20
B. ₹22
C. ₹24
D. ₹25
Q71.
The value of 3³ × 3⁴ is:
A. 3⁷
B. 3¹²
C. 3⁶
D. 3¹⁰
Q72.
The perimeter of a rectangle is 40 m. If the length is 12 m, the breadth is:
A. 8 m
B. 10 m
C. 6 m
D. 9 m
Q73.
If a:b = 3:5 and b:c = 10:7, find a:c.
A. 3:7
B. 3:5
C. 6:7
D. 5:7
Q74.
The compound interest on ₹1000 for 2 years at 10% per annum is:
A. ₹210
B. ₹200
C. ₹220
D. ₹230
Q75.
Find the next number in the series: 2, 6, 12, 20, ?
A. 28
B. 30
C. 32
D. 34
Q76.
If a cube has a volume of 27 cm³, its surface area is:
A. 27 cm²
B. 54 cm²
C. 81 cm²
D. 90 cm²
Q77.
The average of 5, 10, 15, 20, 25 is:
A. 15
B. 12
C. 14
D. 16
Q78.
A shopkeeper sold an article for ₹1200 and gained 20%. The cost price is:
A. ₹1000
B. ₹1100
C. ₹900
D. ₹950
Q79.
The ratio of 2/3 and 3/4 is:
A. 8:9
B. 9:8
C. 6:5
D. 5:6
Q80.
If 15% of a number is 45, the number is:
A. 250
B. 300
C. 350
D. 400
Q81.
If 7 workers can do a job in 14 days, 14 workers will do it in:
A. 5 days
B. 7 days
C. 10 days
D. 12 days
Q82.
The simple interest on ₹6000 at 8% per annum for 2 years is:
A. ₹960
B. ₹950
C. ₹970
D. ₹980
Q83.
The sum of angles in a triangle is:
A. 180°
B. 90°
C. 270°
D. 360°
Q84.
If a car travels 60 km in 1 hour and 30 minutes, its average speed is:
A. 40 km/h
B. 45 km/h
C. 50 km/h
D. 55 km/h
Q85.
A bag contains 5 red, 3 blue, and 2 green balls. Probability of picking a red ball is:
A. 1/2
B. 1/3
C. 1/4
D. 2/5
Q86.
The ratio of 3/5 and 4/7 is:
A. 21:20
B. 20:21
C. 21:25
D. 25:21
Q87.
The HCF of 48 and 60 is:
A. 6
B. 12
C. 24
D. 18
Q88.
The LCM of 12, 15, 20 is:
A. 60
B. 90
C. 120
D. 150
Q89.
A train 120 m long passes a pole in 6 seconds. Its speed is:
A. 60 km/h
B. 70 km/h
C. 72 km/h
D. 75 km/h
Q90.
If 4x – 5 = 15, then x = ?
A. 4
B. 5
C. 6
D. 7
Part 4 – General Science & Technical Knowledge (Questions 91–120)
Q91.
The SI unit of force is:
A. Dyne
B. Newton
C. Joule
D. Pascal
Q92.
Which of the following is a conductor of electricity?
A. Rubber
B. Copper
C. Plastic
D. Wood
Q93.
Which gas do plants absorb for photosynthesis?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
Q94.
Water boils at 100°C at:
A. 1 atm pressure
B. 0.5 atm pressure
C. 2 atm pressure
D. 1.5 atm pressure
Q95.
Which organ in the human body produces bile?
A. Liver
B. Kidney
C. Pancreas
D. Spleen
Q96.
Which of the following is an acid?
A. NaOH
B. HCl
C. NaCl
D. KCl
Q97.
Which planet is nearest to the Sun?
A. Venus
B. Mercury
C. Mars
D. Earth
Q98.
Which vitamin is water-soluble?
A. Vitamin A
B. Vitamin D
C. Vitamin C
D. Vitamin K
Q99.
Which of the following metals is liquid at room temperature?
A. Mercury
B. Iron
C. Copper
D. Aluminium
Q100.
The unit of electric current is:
A. Volt
B. Ampere
C. Ohm
D. Watt
Q101.
Which organ controls the human body’s endocrine system?
A. Brain
B. Thyroid
C. Pancreas
D. Pituitary gland
Q102.
Which of the following is a fossil fuel?
A. Coal
B. Solar energy
C. Wind energy
D. Hydropower
Q103.
Which part of the eye controls the amount of light entering it?
A. Lens
B. Retina
C. Cornea
D. Iris
Q104.
Which force keeps planets in orbit around the Sun?
A. Magnetic force
B. Gravitational force
C. Electrostatic force
D. Frictional force
Q105.
Which chemical element has the symbol ‘Na’?
A. Nitrogen
B. Sodium
C. Neon
D. Nickel
Q106.
Which type of blood cells help in clotting?
A. Red blood cells
B. White blood cells
C. Platelets
D. Plasma
Q107.
Which is the hardest natural substance?
A. Gold
B. Iron
C. Diamond
D. Quartz
Q108.
Which of the following is used as a fuel in nuclear reactors?
A. Uranium-235
B. Plutonium-239
C. Both A and B
D. Thorium-232
Q109.
Which gas is released during photosynthesis?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
Q110.
Which is an example of a non-metal?
A. Iron
B. Sulfur
C. Copper
D. Aluminium
Q111.
The first satellite launched by India was:
A. GSAT-6
B. INSAT-1A
C. Aryabhata
D. Cartosat-1
Q112.
What is the chemical formula of water?
A. H₂O
B. CO₂
C. O₂
D. H₂O₂
Q113.
Which of the following is a renewable source of energy?
A. Coal
B. Natural gas
C. Wind
D. Petroleum
Q114.
Which type of lens is used in a magnifying glass?
A. Convex lens
B. Concave lens
C. Cylindrical lens
D. Plano lens
Q115.
Which gas is most abundant in the Earth’s atmosphere?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen
Q116.
Which of the following is used in making glass?
A. Silica
B. Alumina
C. Lime
D. Soda
Q117.
Which type of current is supplied to households?
A. Direct Current (DC)
B. Alternating Current (AC)
C. Both AC and DC
D. None
Q118.
Which part of the brain controls balance and coordination?
A. Cerebrum
B. Cerebellum
C. Medulla
D. Hypothalamus
Q119.
Which of the following is a physical change?
A. Burning wood
B. Melting ice
C. Rusting iron
D. Cooking food
Q120.
Which instrument is used to measure atmospheric pressure?
A. Thermometer
B. Barometer
C. Hygrometer
D. Anemometer
| Q.No | Answer | Q.No | Answer | Q.No | Answer | Q.No | Answer |
|---|---|---|---|---|---|---|---|
| 1 | C | 31 | B | 61 | A | 91 | B |
| 2 | D | 32 | A | 62 | B | 92 | B |
| 3 | C | 33 | B | 63 | B | 93 | B |
| 4 | B | 34 | B | 64 | A | 94 | A |
| 5 | B | 35 | B | 65 | A | 95 | A |
| 6 | B | 36 | A | 66 | B | 96 | B |
| 7 | B | 37 | B | 67 | C | 97 | B |
| 8 | D | 38 | C | 68 | A | 98 | C |
| 9 | B | 39 | C | 69 | B | 99 | A |
| 10 | C | 40 | B | 70 | C | 100 | B |
| 11 | D | 41 | A | 71 | A | 101 | D |
| 12 | B | 42 | C | 72 | A | 102 | A |
| 13 | A | 43 | C | 73 | C | 103 | D |
| 14 | C | 44 | B | 74 | C | 104 | B |
| 15 | A | 45 | B | 75 | A | 105 | B |
| 16 | B | 46 | A | 76 | C | 106 | C |
| 17 | D | 47 | B | 77 | A | 107 | C |
| 18 | B | 48 | B | 78 | A | 108 | C |
| 19 | B | 49 | C | 79 | A | 109 | A |
| 20 | B | 50 | C | 80 | B | 110 | B |
| 21 | A | 51 | B | 81 | B | 111 | C |
| 22 | D | 52 | B | 82 | A | 112 | A |
| 23 | D | 53 | B | 83 | A | 113 | C |
| 24 | A | 54 | A | 84 | B | 114 | A |
| 25 | A | 55 | B | 85 | A | 115 | B |
| 26 | D | 56 | B | 86 | A | 116 | A |
| 27 | C | 57 | B | 87 | B | 117 | B |
| 28 | B | 58 | B | 88 | C | 118 | B |
| 29 | B | 59 | A | 89 | C | 119 | B |
| 30 | C | 60 | B | 90 | C | 120 | B |
Disclaimer
This mock test is created for educational and practice purposes only. All questions are original and designed to simulate the DRDO CEPTAM STA-B Tier-1 exam pattern. This website is not affiliated with or endorsed by the Defence Research and Development Organisation (DRDO).