Securing a role as a Weightbridge Officer at TANROADS is an opportunity to contribute directly to Tanzania’s road safety, infrastructure protection, and compliance with transport laws. TANROADS Weighbridge Officer Aptitude Test (50 Questions & Answers), Practicing these questions will help you gain confidence and sharpen your problem-solving skills before the real interview. Candidates should be prepared for an aptitude test that assesses:
- Numerical reasoning (math, percentages, ratios)
- Logical reasoning (patterns, sequences, problem-solving)
- English proficiency
- General knowledge & current affairs (especially related to TANROADS, road safety, and government policies)
- Professional knowledge (transport regulations, axle load control, traffic laws, ethics)
Practicing these questions will help you gain confidence and sharpen your problem-solving skills before the real interview., Below are 50 well-arranged practice questions with answers and explanations. Work through them carefully and time yourself as if you were in an actual test.
Section A: Numerical & Analytical Aptitude
Q1. A truck is allowed a maximum gross weight of 56,000 kg. If the truck weighs 51,500 kg, how much extra load can it still carry?
- A) 4,000 kg
- B) 4,500 kg
- C) 5,000 kg
- D) 6,000 kg
Solution:
Max load = 56,000 – 51,500 = 4,500 kg
✅ Answer: B) 4,500 kg
Q2. A vehicle moves 240 km in 4 hours. What is its average speed?
- A) 40 km/h
- B) 50 km/h
- C) 60 km/h
- D) 70 km/h
Solution:
Speed = Distance ÷ Time = 240 ÷ 4 = 60 km/h
✅ Answer: C) 60 km/h
Q3. If fines collected in one month at a weighbridge station amounted to TZS 18,000,000, and each overloaded truck is fined TZS 450,000, how many trucks were fined?
- A) 30
- B) 36
- C) 38
- D) 40
Solution:
18,000,000 ÷ 450,000 = 40 trucks
✅ Answer: D) 40
Section 2: Logical Reasoning
Q4. Find the missing number: 2, 6, 12, 20, 30, ?
- A) 36
- B) 40
- C) 42
- D) 44
Solution:
Pattern: +4, +6, +8, +10 …
So, next = 30 + 12 = 42
✅ Answer: C) 42
Q5. If all Weightbridge Officers are TANROADS staff, and some TANROADS staff are engineers, then which is correct?
- A) All engineers are Weightbridge Officers
- B) Some TANROADS staff are not engineers
- C) All Weightbridge Officers are engineers
- D) None of the above
✅ Answer: B) Some TANROADS staff are not engineers
Section 3: General Knowledge (Tanzania & TANROADS)
Q6. What is the main function of TANROADS?
- A) Construction of airports
- B) Maintenance and management of trunk and regional roads
- C) Issuing vehicle insurance
- D) Importation of road equipment
✅ Answer: B) Maintenance and management of trunk and regional roads
Q7. When was TANROADS officially established?
- A) 1990
- B) 1995
- C) 2000
- D) 2003
✅ Answer: C) 2000
Q8. Overloading of trucks mainly affects:
- A) Only passengers
- B) Only drivers
- C) Roads and bridges lifespan
- D) Vehicle color
✅ Answer: C) Roads and bridges lifespan
Section 4: Transport Laws & Professional Knowledge
Q9. According to Tanzanian law, what is the standard single axle load limit for a truck?
- A) 6 tons
- B) 7 tons
- C) 8 tons
- D) 10 tons
✅ Answer: C) 8 tons
Q10. If a driver refuses to stop at a weighbridge station when signaled, what action should a Weightbridge Officer take first?
- A) Ignore the vehicle
- B) Chase and fine the driver personally
- C) Report to police and record the violation
- D) Reduce the fine
✅ Answer: C) Report to police and record the violation
Q11. Ethical conduct for a Weightbridge Officer requires:
- A) Accepting tips to speed up work
- B) Enforcing rules fairly and without corruption
- C) Ignoring minor overloads
- D) Favoring friends and relatives
✅ Answer: B) Enforcing rules fairly and without corruption
12. A truck carries 12 tons of cargo. If each ton is 1,000 kg, what is the total cargo weight in kilograms?
- A) 1,200 kg
- B) 12,000 kg
- C) 120,000 kg
- D) 120 kg
✅ Answer: B) 12,000 kg
Explanation: 12 tons × 1,000 kg = 12,000 kg.
13. If a vehicle exceeds the weight limit by 15% of 10,000 kg, what is the excess weight?
- A) 150 kg
- B) 1,500 kg
- C) 15 kg
- D) 10,150 kg
✅ Answer: B) 1,500 kg
Explanation: 15% of 10,000 = (15/100 × 10,000) = 1,500 kg.
14. Simplify: 240 ÷ 12 × 5 = ?
- A) 20
- B) 100
- C) 120
- D) 200
✅ Answer: B) 100
Explanation: 240 ÷ 12 = 20, then × 5 = 100.
15. A truck was supposed to carry 8,000 kg, but it carried 9,200 kg. By what percentage did it exceed the limit?
- A) 10%
- B) 15%
- C) 12%
- D) 20%
✅ Answer: A) 15%
Explanation: Excess = 9,200 – 8,000 = 1,200. (1,200 ÷ 8,000) × 100 = 15%.
16. Solve: (45 × 4) ÷ 9 = ?
- A) 15
- B) 18
- C) 20
- D) 25
✅ Answer: C) 20
Explanation: 45 × 4 = 180, then 180 ÷ 9 = 20.
17. A vehicle weighs 15,000 kg. If the weighbridge limit is 13,500 kg, how much is the overload?
- A) 1,000 kg
- B) 1,500 kg
- C) 2,000 kg
- D) 2,500 kg
✅ Answer: B) 1,500 kg
18. Find the next number: 2, 6, 18, 54, ?
- A) 81
- B) 108
- C) 162
- D) 216
✅ Answer: C) 162
Explanation: Each number is multiplied by 3.
19. A truck driver travels 180 km in 3 hours. What is the average speed?
- A) 50 km/h
- B) 60 km/h
- C) 70 km/h
- D) 80 km/h
✅ Answer: B) 60 km/h
Explanation: Speed = Distance ÷ Time = 180 ÷ 3 = 60 km/h.
20. If the fine for overloading is 10,000 TZS per 100 kg excess, what is the fine for 500 kg excess?
- A) 50,000 TZS
- B) 5,000 TZS
- C) 100,000 TZS
- D) 10,000 TZS
✅ Answer: A) 50,000 TZS
Explanation: 500 ÷ 100 = 5. 5 × 10,000 = 50,000.
21. If 25% of a cargo is 2,000 kg, what is the total cargo weight?
- A) 4,000 kg
- B) 6,000 kg
- C) 8,000 kg
- D) 10,000 kg
✅ Answer: C) 8,000 kg
Explanation: 25% = 1/4. So 2,000 × 4 = 8,000.
Section B: Logical Reasoning
1. All trucks are vehicles. Some vehicles are overloaded. Therefore:
- A) All trucks are overloaded
- B) Some trucks may be overloaded
- C) No trucks are overloaded
- D) All vehicles are trucks
✅ Answer: B) Some trucks may be overloaded
2. Find the odd one out: Car, Bus, Train, Truck.
- A) Car
- B) Train
- C) Truck
- D) Bus
✅ Answer: B) Train
Explanation: All others are road vehicles; train is rail.
3. Which comes next: Monday, Wednesday, Friday, ?
- A) Saturday
- B) Sunday
- C) Monday
- D) Tuesday
✅ Answer: B) Sunday
Explanation: Skipping one day sequence.
4. If some weighbridges are in Dar es Salaam, and all weighbridges are part of TANROADS, then:
- A) Some TANROADS offices are in Dar es Salaam
- B) All weighbridges are in Dar es Salaam
- C) TANROADS operates weighbridges in Dar es Salaam
- D) None of the above
✅ Answer: C) TANROADS operates weighbridges in Dar es Salaam
5. Choose the correct sequence: 4, 16, 64, ?
- A) 124
- B) 128
- C) 256
- D) 512
✅ Answer: C) 256
Explanation: Each term ×4.
Section C: English Proficiency
16. Choose the correct sentence:
- A) The truck has exceed the limit.
- B) The truck has exceeded the limit.
- C) The truck exceed the limit.
- D) The truck exceeding the limit.
✅ Answer: B) The truck has exceeded the limit.
1. Fill in the blank: The driver was punished because he ______ the rules.
- A) break
- B) broke
- C) broken
- D) breaks
✅ Answer: B) broke
2. Find the synonym of “mandatory”:
- A) Optional
- B) Compulsory
- C) Flexible
- D) Easy
✅ Answer: B) Compulsory
3. Which word is opposite of “legal”?
- A) Official
- B) Illegal
- C) Formal
- D) Lawful
✅ Answer: B) Illegal
4. Choose the correct spelling:
- A) Vehical
- B) Vehicle
- C) Vehickle
- D) Vihicle
✅ Answer: B) Vehicle
Section D: General Knowledge & TANROADS
1. TANROADS stands for:
- A) Tanzania Roads Agency
- B) Tanzania National Roads Agency
- C) Tanzania Road and Safety Agency
- D) Tanzania National Railway Agency
✅ Answer: B) Tanzania National Roads Agency
2. Which Ministry oversees TANROADS?
- A) Ministry of Works and Transport
- B) Ministry of Finance
- C) Ministry of Home Affairs
- D) Ministry of Education
✅ Answer: A) Ministry of Works and Transport
3. What is the main purpose of weighbridges?
- A) To collect tolls
- B) To check fuel consumption
- C) To control vehicle overloading
- D) To track driver licenses
✅ Answer: C) To control vehicle overloading
4. Overloaded vehicles can cause:
- A) Road damage
- B) Accidents
- C) High maintenance costs
- D) All of the above
✅ Answer: D) All of the above
5. The standard weight limit for a single axle in Tanzania is:
- A) 8 tons
- B) 10 tons
- C) 12 tons
- D) 15 tons
✅ Answer: B) 10 tons
6. When was TANROADS established?
- A) 1999
- B) 2000
- C) 2001
- D) 2002
✅ Answer: B) 2000
7. The main highway connecting Dar es Salaam to Dodoma is called:
- A) T1
- B) T2
- C) T3
- D) T5
✅ Answer: A) T1
8. Which of the following is NOT a TANROADS function?
- A) Road maintenance
- B) Vehicle licensing
- C) Bridge construction
- D) Overloading control
✅ Answer: B) Vehicle licensing
9. Which currency is used to pay overload fines?
- A) USD
- B) TZS
- C) KES
- D) EUR
✅ Answer: B) TZS
10. The Dar es Salaam–Mwanza central corridor is important because:
- A) It connects Tanzania to Uganda and Rwanda
- B) It is the busiest urban street
- C) It connects only Dodoma and Morogoro
- D) It is for rail transport only
✅ Answer: A) It connects Tanzania to Uganda and Rwanda
Section E: Situational Judgment & Ethics
1. A truck driver offers you money to allow him to pass while overloaded. What should you do?
- A) Accept the money
- B) Warn him and let him pass
- C) Reject and enforce the law
- D) Ignore the case
✅ Answer: C) Reject and enforce the law
2. If a vehicle refuses to stop at a weighbridge, what action should you take first?
- A) Chase the vehicle alone
- B) Report to the police immediately
- C) Ignore it
- D) Call the driver’s employer
✅ Answer: B) Report to the police immediately
3. A weighbridge officer must be:
- A) Corrupt
- B) Honest and professional
- C) Careless
- D) Rude
✅ Answer: B) Honest and professional
4. Which is the best way to handle an angry driver?
- A) Argue with him
- B) Stay calm and explain politely
- C) Shout back
- D) Ignore his complaint
✅ Answer: B) Stay calm and explain politely
5. As a public servant, weighbridge officers should prioritize:
- A) Bribes
- B) Public safety
- C) Friendships
- D) Personal gain
✅ Answer: B) Public safety
Section F: Mixed Practice
1. If 5 trucks carry 60 tons, how many tons does 1 truck carry on average?
- A) 10 tons
- B) 12 tons
- C) 15 tons
- D) 20 tons
✅ Answer: B) 12 tons
2. Convert 3.5 tons into kilograms.
- A) 350 kg
- B) 3,500 kg
- C) 35,000 kg
- D) 350,000 kg
✅ Answer: B) 3,500 kg
3. If a bridge limit is 20 tons, can a 19,500 kg truck pass?
- A) Yes
- B) No
- C) Only with permission
- D) Only at night
✅ Answer: A) Yes
Explanation: 20 tons = 20,000 kg. 19,500 < 20,000.
4. Road signs are important because:
- A) They decorate roads
- B) They guide drivers for safety
- C) They increase accidents
- D) They are optional
✅ Answer: B) They guide drivers for safety
5. Which one is a regulatory road sign in Tanzania?
- A) Stop sign
- B) Zebra crossing
- C) School zone
- D) Traffic light
✅ Answer: A) Stop sign
6. If a driver is fined 200,000 TZS for overloading, and he has 20 days to pay, how much should he pay per day if he pays equally?
- A) 5,000 TZS
- B) 10,000 TZS
- C) 20,000 TZS
- D) 25,000 TZS
✅ Answer: B) 10,000 TZS
7. What is the main duty of a weighbridge officer?
- A) To construct roads
- B) To control overloaded vehicles
- C) To collect taxes
- D) To manage drivers’ licenses
✅ Answer: B) To control overloaded vehicles
8. If a driver is found overloaded, the officer should:
- A) Let him go
- B) Fine him according to law
- C) Fight him
- D) Ask for a bribe
✅ Answer: B) Fine him according to law
9. Which equipment is used to measure vehicle weight?
- A) Speed gun
- B) Scale/weighbridge
- C) Tachometer
- D) Thermometer
✅ Answer: B) Scale/weighbridge
10. Overloading mainly damages:
- A) Road surface
- B) Grass
- C) Street lights
- D) Houses
✅ Answer: A) Road surface
11. If a driver pays 60,000 TZS for 600 kg overload, what is the fine rate per 100 kg?
- A) 5,000 TZS
- B) 10,000 TZS
- C) 15,000 TZS
- D) 20,000 TZS
✅ Answer: B) 10,000 TZS
12. A vehicle loaded with 15 tons is allowed 14 tons. What percent overload is this?
- A) 5%
- B) 7.14%
- C) 10%
- D) 15%
✅ Answer: B) 7.14%
Explanation: Overload = 15 – 14 = 1 ton. (1 ÷ 14) × 100 = 7.14%.
13. A truck is allowed 12,000 kg. It carries 13,800 kg. How much above the limit is it?
- A) 1,600 kg
- B) 1,800 kg
- C) 2,000 kg
- D) 2,200 kg
✅ Answer: B) 1,800 kg
Explanation: 13,800 – 12,000 = 1,800 kg.
14. Which of the following best describes TANROADS officers’ responsibility at weighbridges?
- A) Ensure vehicles pay fuel levy
- B) Ensure vehicles comply with load limits
- C) Ensure drivers have passports
- D) Ensure roads are tarmacked
✅ Answer: B) Ensure vehicles comply with load limits
15. A driver overloaded by 2,400 kg must pay 10,000 TZS per 100 kg excess. What is the fine?
- A) 120,000 TZS
- B) 200,000 TZS
- C) 240,000 TZS
- D) 300,000 TZS
✅ Answer: C) 240,000 TZS
Explanation: 2,400 ÷ 100 = 24. 24 × 10,000 = 240,000.
This completes the 50-question practice set for TANROADS Weighbridge Officer aptitude test preparation.
