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RRB ALP CBT 1 Practice Paper 04 (Exam Pattern, Solved Set)

RRB ALP (Assistant Loco Pilot) • 2026 • 75 Questions • Free practice with solutions

Subjects included:Quantitative Aptitude (20)Reasoning Ability (25)General Science (20)General Awareness (10)
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Showing 75 Questions with Step-by-Step Solutions
Q1Quantitative Aptitude
Easy
The range of the data 12, 25, 7, 31 and 18 is:
A. 24
B. 19
C. 13
D. 25
View answer and explanation
Correct Option: A
Range = highest - lowest = 31 - 7 = 24.
Q2Quantitative Aptitude
Medium
A car travels 150 km at 50 km/h and the next 150 km at 75 km/h. Its average speed is:
A. 60 km/h
B. 62.5 km/h
C. 65 km/h
D. 55 km/h
View answer and explanation
Correct Option: A
Time = 3 + 2 = 5 hours for 300 km, so 60 km/h.
Q3Quantitative Aptitude
Easy
Two supplementary angles differ by 40°. The smaller angle is:
A. 60°
B. 50°
C. 110°
D. 70°
View answer and explanation
Correct Option: D
x + (x + 40) = 180, so x = 70.
Q4Quantitative Aptitude
Medium
The smallest number by which 1,250 must be multiplied to make it a perfect square is:
A. 10
B. 5
C. 2
D. 3
View answer and explanation
Correct Option: C
1,250 = 2 x 5^4. Multiplying by 2 gives 2^2 x 5^4 = 2,500 = 50^2.
Q5Quantitative Aptitude
Easy
Simplify: 3/4 + 5/6 − 1/3
A. 1
B. 7/6
C. 3/2
D. 5/4
View answer and explanation
Correct Option: D
LCM 12: 9/12 + 10/12 - 4/12 = 15/12 = 5/4.
Q6Quantitative Aptitude
Easy
How many numbers from 1 to 100 are divisible by both 4 and 6?
A. 16
B. 7
C. 9
D. 8
View answer and explanation
Correct Option: D
They must be multiples of LCM(4, 6) = 12: 12, 24, ..., 96, which is 8 numbers.
Q7Quantitative Aptitude
Easy
A student scored 432 marks out of 600. His percentage is:
A. 72%
B. 70%
C. 74%
D. 68%
View answer and explanation
Correct Option: A
432/600 x 100 = 72.
Q8Quantitative Aptitude
Easy
The angle in a semicircle is:
A. 180°
B. 90°
C. 60°
D. 45°
View answer and explanation
Correct Option: B
An angle inscribed in a semicircle is always a right angle.
Q9Quantitative Aptitude
Medium
Each exterior angle of a regular polygon is 30°. The number of its sides is:
A. 8
B. 10
C. 12
D. 6
View answer and explanation
Correct Option: C
Number of sides = 360/30 = 12.
Q10Quantitative Aptitude
Medium
The value of (256)^0.25 is:
A. 2
B. 16
C. 8
D. 4
View answer and explanation
Correct Option: D
256 = 4^4, so its fourth root is 4.
Q11Quantitative Aptitude
Easy
The roots of x^2 − 7x + 12 = 0 are:
A. -3 and -4
B. 2 and 6
C. 3 and 4
D. 1 and 12
View answer and explanation
Correct Option: C
x^2 - 7x + 12 = (x - 3)(x - 4).
Q12Quantitative Aptitude
Medium
The volume of a cube whose total surface area is 216 sq cm is:
A. 144 cu cm
B. 216 cu cm
C. 196 cu cm
D. 256 cu cm
View answer and explanation
Correct Option: B
6a^2 = 216 gives a = 6, so volume = 216 cu cm.
Q13Quantitative Aptitude
Medium
The angle between the hour hand and the minute hand of a clock at 3:30 is:
A. 60°
B. 90°
C. 75°
D. 80°
View answer and explanation
Correct Option: C
Hour hand at 105°, minute hand at 180°; difference 75°.
Q14Quantitative Aptitude
Easy
18 ÷ 3 × 2 + 4 − 6 equals:
A. 3
B. 7
C. 10
D. 12
View answer and explanation
Correct Option: C
Division and multiplication from left to right: 6 x 2 = 12. Then 12 + 4 - 6 = 10.
Q15Quantitative Aptitude
Medium
The value of sin²60° + cos²30° is:
A. 1
B. 3/2
C. 3/4
D. 2
View answer and explanation
Correct Option: B
3/4 + 3/4 = 3/2.
Q16Quantitative Aptitude
Medium
The average weight of 8 boys is 45 kg. When a boy of 40 kg is replaced by one of 52 kg, the new average is:
A. 47 kg
B. 46 kg
C. 46.5 kg
D. 45.5 kg
View answer and explanation
Correct Option: C
The total rises by 12 kg, so the average rises by 12/8 = 1.5 kg.
Q17Quantitative Aptitude
Medium
In an exam 35% failed in Maths, 25% failed in English and 10% failed in both. The percentage who passed in both is:
A. 45%
B. 40%
C. 60%
D. 50%
View answer and explanation
Correct Option: D
Failed in at least one = 35 + 25 - 10 = 50%, so 50% passed in both.
Q18Quantitative Aptitude
Medium
In what ratio must rice at Rs 40 per kg be mixed with rice at Rs 55 per kg to get a mixture worth Rs 45 per kg?
A. 3 : 2
B. 1 : 2
C. 2 : 1
D. 2 : 3
View answer and explanation
Correct Option: C
By alligation: (55 - 45) : (45 - 40) = 10 : 5 = 2 : 1.
Q19Quantitative Aptitude
Easy
A bicycle bought for Rs 2,400 is sold for Rs 2,040. The loss percent is:
A. 12%
B. 15%
C. 18%
D. 14%
View answer and explanation
Correct Option: B
Loss = 360; 360/2,400 x 100 = 15%.
Q20Quantitative Aptitude
Hard
Trains 150 m and 250 m long run in the same direction at 72 km/h and 54 km/h. The faster train crosses the slower one in:
A. 20 seconds
B. 40 seconds
C. 60 seconds
D. 80 seconds
View answer and explanation
Correct Option: D
Relative speed 18 km/h = 5 m/s; total length 400 m; 400/5 = 80 s.
Q21Reasoning Ability
Medium
Which word cannot be formed from the letters of STATION?
A. NATION
B. SAINT
C. TONS
D. ANTS
View answer and explanation
Correct Option: A
NATION needs two Ns, but STATION has only one.
Q22Reasoning Ability
Medium
Find the number that does not belong: 24, 48, 72, 84, 97
A. 97
B. 24
C. 48
D. 84
View answer and explanation
Correct Option: A
All the others are multiples of 12.
Q23Reasoning Ability
Medium
Ravi's father is the only son of the father of Mohan (a man). How is Mohan related to Ravi?
A. Grandfather
B. Uncle
C. Brother
D. Father
View answer and explanation
Correct Option: D
The only son of Mohan's father is Mohan himself, so Mohan is Ravi's father.
Q24Reasoning Ability
Medium
Find the odd one out: Ampere, Volt, Ohm, Joule
A. Volt
B. Ampere
C. Joule
D. Ohm
View answer and explanation
Correct Option: C
Ampere, volt and ohm are units of current, potential difference and resistance; the joule is the unit of energy.
Q25Reasoning Ability
Medium
Statements: All signals are lights. All lights are poles. Conclusions: I. Some poles are signals. II. All poles are lights.
A. Only II follows
B. Both I and II follow
C. Only I follows
D. Neither I nor II follows
View answer and explanation
Correct Option: C
All signals are poles, so some poles are signals. Not every pole has to be a light.
Q26Reasoning Ability
Medium
AZ : BY :: CX : ?
A. CW
B. DV
C. EW
D. DW
View answer and explanation
Correct Option: D
The first letter moves forward by one and the second moves back by one.
Q27Reasoning Ability
Medium
A clock gains 5 minutes every hour. It is set right at 6 am. What time will it show at 6 pm the same day?
A. 7:00 pm
B. 6:30 pm
C. 7:30 pm
D. 6:55 pm
View answer and explanation
Correct Option: A
In 12 hours it gains 60 minutes.
Q28Reasoning Ability
Medium
Statements: All stations are platforms. No platform is a track. Conclusions: I. No station is a track. II. Some platforms are stations.
A. Only I follows
B. Both I and II follow
C. Only II follows
D. Neither I nor II follows
View answer and explanation
Correct Option: B
Stations lie inside platforms and platforms never meet tracks, so I follows; II is the converse of the first statement.
Q29Reasoning Ability
Medium
Find the next term: 5, 11, 23, 47, ?
A. 95
B. 94
C. 96
D. 91
View answer and explanation
Correct Option: A
Each term is double the previous plus 1: 47 x 2 + 1 = 95.
Q30Reasoning Ability
Medium
If the English alphabet is written in reverse order, which letter will be 8th from the left?
A. H
B. R
C. T
D. S
View answer and explanation
Correct Option: D
In reverse the 8th letter is the 19th from the start, which is S.
Q31Reasoning Ability
Medium
If × means addition, ÷ means subtraction, + means multiplication and − means division, then 20 × 8 ÷ 8 − 4 + 2 = ?
A. 28
B. 20
C. 24
D. 26
View answer and explanation
Correct Option: C
The expression becomes 20 + 8 - 8 / 4 x 2 = 20 + 8 - 4 = 24.
Q32Reasoning Ability
Medium
Statement: Many passengers missed their train because its platform was changed without an announcement. Courses of action: I. Platform changes should be announced in advance. II. Such trains should be cancelled.
A. Neither I nor II follows
B. Only II follows
C. Both I and II follow
D. Only I follows
View answer and explanation
Correct Option: D
Announcing changes solves the problem; cancelling trains does not.
Q33Reasoning Ability
Easy
Find the odd one out: 27, 64, 125, 144
A. 64
B. 27
C. 144
D. 125
View answer and explanation
Correct Option: C
27, 64 and 125 are cubes; 144 is a square, not a cube.
Q34Reasoning Ability
Easy
If MANGO is coded as NBOHP, how is APPLE coded?
A. ZOOKD
B. BQPMF
C. BQQMF
D. BQQME
View answer and explanation
Correct Option: C
Each letter moves one place forward.
Q35Reasoning Ability
Hard
Statements: Some engines are wheels. Some wheels are tyres. Conclusions: I. Some engines are tyres. II. No engine is a tyre.
A. Either I or II follows
B. Only I follows
C. Neither I nor II follows
D. Both I and II follow
View answer and explanation
Correct Option: A
Neither follows definitely, but they form a complementary pair, so one of them must be true.
Q36Reasoning Ability
Hard
If ROSE is coded as 6821, CHAIR as 73456 and PREACH as 961473, how is SEARCH coded?
A. 214637
B. 214763
C. 216473
D. 214673
View answer and explanation
Correct Option: D
From the codes: S = 2, E = 1, A = 4, R = 6, C = 7, H = 3.
Q37Reasoning Ability
Easy
If 2 → 5, 3 → 10 and 4 → 17, then 5 → ?
A. 25
B. 26
C. 24
D. 21
View answer and explanation
Correct Option: B
The rule is n^2 + 1.
Q38Reasoning Ability
Medium
Which word cannot be formed from the letters of PLATFORM?
A. FORM
B. PARTY
C. PATROL
D. FLOAT
View answer and explanation
Correct Option: B
PLATFORM has no Y.
Q39Reasoning Ability
Easy
Ram walks 5 km north, turns right and walks 3 km, then turns right again and walks 5 km. How far is he from the starting point?
A. 3 km
B. 5 km
C. 8 km
D. 13 km
View answer and explanation
Correct Option: A
He ends up 3 km east of the start.
Q40Reasoning Ability
Easy
Find the next term: 1, 2, 6, 24, 120, ?
A. 720
B. 600
C. 240
D. 840
View answer and explanation
Correct Option: A
Multiply by 2, 3, 4, 5 and then 6.
Q41Reasoning Ability
Hard
Find the next term: 2, 10, 30, 68, 130, ?
A. 224
B. 220
C. 222
D. 218
View answer and explanation
Correct Option: C
The series is n^3 + n: for n = 6, 216 + 6 = 222.
Q42Reasoning Ability
Easy
If CAT is coded as DBU, how is DOG coded?
A. EPG
B. EPH
C. DPH
D. FQI
View answer and explanation
Correct Option: B
Each letter moves one place forward.
Q43Reasoning Ability
Easy
What is Ravi's age? I. Ravi is 5 years older than Sunil. II. Sunil is 20 years old.
A. I alone is sufficient
B. Both I and II together are needed
C. II alone is sufficient
D. Neither I nor II, even together, is sufficient
View answer and explanation
Correct Option: B
Together they give Ravi's age as 25; neither alone is enough.
Q44Reasoning Ability
Medium
In the sequence 5 3 7 5 3 2 5 3 5 7 5 3, how many 5s are immediately followed by 3 but not immediately preceded by 7?
A. 1
B. 3
C. 4
D. 2
View answer and explanation
Correct Option: D
The 5s in positions 1 and 7 qualify; the 5s in positions 4 and 11 are preceded by 7, and the one in position 9 is followed by 7.
Q45Reasoning Ability
Medium
Find the odd one out: Kolkata, Chennai, Mumbai, Nagpur
A. Nagpur
B. Kolkata
C. Chennai
D. Mumbai
View answer and explanation
Correct Option: A
The other three are state capitals on the coast or a river mouth; Nagpur is neither a state capital nor a port.
Q46General Science
Easy
An electric current is measured with:
A. A galvanometer only
B. A voltmeter
C. An ammeter
D. A rheostat
View answer and explanation
Correct Option: C
The ammeter is connected in series to measure current.
Q47General Science
Easy
Vinegar is a dilute solution of:
A. Hydrochloric acid
B. Citric acid
C. Acetic acid
D. Lactic acid
View answer and explanation
Correct Option: C
Vinegar is about 5-8% ethanoic (acetic) acid.
Q48General Science
Medium
The reaction Fe + CuSO₄ → FeSO₄ + Cu is an example of a:
A. Displacement reaction
B. Decomposition reaction
C. Combination reaction
D. Double displacement reaction
View answer and explanation
Correct Option: A
More reactive iron displaces copper from its salt.
Q49General Science
Easy
Haemoglobin is found in:
A. Lymph
B. White blood cells
C. Platelets
D. Red blood cells
View answer and explanation
Correct Option: D
Haemoglobin carries oxygen.
Q50General Science
Easy
The normal human body temperature is about:
A. 35 °C
B. 37 °C
C. 39 °C
D. 98 °C
View answer and explanation
Correct Option: B
37 °C is about 98.6 °F.
Q51General Science
Medium
The SI unit of resistivity is:
A. Ohm
B. Ohm metre
C. Ohm per metre
D. Mho
View answer and explanation
Correct Option: B
Resistivity = resistance x area/length, so its unit is ohm metre.
Q52General Science
Medium
Which part of the brain controls balance and posture?
A. Cerebellum
B. Cerebrum
C. Medulla oblongata
D. Hypothalamus
View answer and explanation
Correct Option: A
The cerebellum coordinates voluntary movement and balance.
Q53General Science
Easy
Insulin is secreted by the:
A. Kidney
B. Liver
C. Thyroid
D. Pancreas
View answer and explanation
Correct Option: D
Beta cells of the islets of Langerhans in the pancreas produce insulin.
Q54General Science
Easy
In a food chain, green plants are the:
A. Producers
B. Primary consumers
C. Decomposers
D. Secondary consumers
View answer and explanation
Correct Option: A
Plants make their own food by photosynthesis.
Q55General Science
Easy
The rate of change of velocity is called:
A. Speed
B. Acceleration
C. Displacement
D. Momentum
View answer and explanation
Correct Option: B
Acceleration = change in velocity/time.
Q56General Science
Medium
A wave has a frequency of 50 Hz and a wavelength of 6 m. Its speed is:
A. 3,000 m/s
B. 56 m/s
C. 8.3 m/s
D. 300 m/s
View answer and explanation
Correct Option: D
v = f x λ = 50 x 6 = 300 m/s.
Q57General Science
Medium
A fuse wire is made of a material with:
A. No resistance and a high melting point
B. A high melting point
C. Zero resistance
D. A low melting point
View answer and explanation
Correct Option: D
It melts and breaks the circuit when too much current flows.
Q58General Science
Easy
At sea level, water boils at:
A. 100 °C
B. 90 °C
C. 110 °C
D. 273 °C
View answer and explanation
Correct Option: A
100 °C is 373 K.
Q59General Science
Easy
The molar mass of water (H₂O) is:
A. 16 g/mol
B. 18 g/mol
C. 20 g/mol
D. 10 g/mol
View answer and explanation
Correct Option: B
2 x 1 + 16 = 18.
Q60General Science
Easy
The functional unit of the kidney is the:
A. Alveolus
B. Neuron
C. Nephron
D. Villus
View answer and explanation
Correct Option: C
Each kidney has about a million nephrons.
Q61General Science
Medium
The focal length of a concave mirror with a radius of curvature of 30 cm is:
A. 15 cm
B. 30 cm
C. 60 cm
D. 7.5 cm
View answer and explanation
Correct Option: A
f = R/2.
Q62General Science
Easy
The gas released during photosynthesis is:
A. Hydrogen
B. Carbon dioxide
C. Nitrogen
D. Oxygen
View answer and explanation
Correct Option: D
Water is split and oxygen is released.
Q63General Science
Easy
Which of the following is a noble gas?
A. Chlorine
B. Nitrogen
C. Argon
D. Oxygen
View answer and explanation
Correct Option: C
Argon belongs to group 18.
Q64General Science
Easy
The atomic number of carbon is:
A. 6
B. 12
C. 8
D. 14
View answer and explanation
Correct Option: A
Carbon has 6 protons.
Q65General Science
Easy
The ozone layer protects us from:
A. Visible light
B. Infrared radiation
C. Radio waves
D. Ultraviolet radiation
View answer and explanation
Correct Option: D
Ozone in the stratosphere absorbs harmful UV rays.
Q66General Awareness
Medium
The Fundamental Duties are given in which part of the Constitution?
A. Part IV-A
B. Part III
C. Part IV
D. Part V
View answer and explanation
Correct Option: A
They were added by the 42nd Amendment in 1976 (Article 51A).
Q67General Awareness
Easy
The headquarters of ISRO is in:
A. Ahmedabad
B. Sriharikota
C. Thiruvananthapuram
D. Bengaluru
View answer and explanation
Correct Option: D
Sriharikota is the launch centre.
Q68General Awareness
Easy
The minimum age to become a member of the Lok Sabha is:
A. 35 years
B. 21 years
C. 30 years
D. 25 years
View answer and explanation
Correct Option: D
For the Rajya Sabha it is 30 years.
Q69General Awareness
Easy
The headquarters of the United Nations is in:
A. New York
B. Geneva
C. Paris
D. Vienna
View answer and explanation
Correct Option: A
Geneva hosts the UN Office and many agencies.
Q70General Awareness
Easy
The Battle of Plassey was fought in:
A. 1857
B. 1764
C. 1757
D. 1761
View answer and explanation
Correct Option: C
Robert Clive defeated Siraj-ud-Daulah.
Q71General Awareness
Medium
The national aquatic animal of India is the:
A. Saltwater crocodile
B. Blue whale
C. Ganges river dolphin
D. Olive ridley turtle
View answer and explanation
Correct Option: C
It was declared in 2009.
Q72General Awareness
Medium
Bholu, the mascot of Indian Railways, is:
A. A tiger
B. An elephant dressed as a guard
C. A peacock
D. A lion
View answer and explanation
Correct Option: B
Bholu the guard elephant was created for Indian Railways' 150th anniversary celebrations.
Q73General Awareness
Easy
Kathakali is a classical dance form of:
A. Kerala
B. Tamil Nadu
C. Odisha
D. Manipur
View answer and explanation
Correct Option: A
Bharatanatyam is from Tamil Nadu.
Q74General Awareness
Medium
The Rail Coach Factory of Indian Railways is located at:
A. Kapurthala
B. Perambur
C. Varanasi
D. Chittaranjan
View answer and explanation
Correct Option: A
RCF Kapurthala is in Punjab.
Q75General Awareness
Medium
The Tropic of Cancer does NOT pass through:
A. Jharkhand
B. Gujarat
C. Odisha
D. Mizoram
View answer and explanation
Correct Option: C
It crosses eight states, including Gujarat, Jharkhand and Mizoram, but not Odisha.

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