Mock Test

Exam: RRB Group D

Total Questions: 20

Q1. A substance that pollutes the air is called an:

Antioxidant Air purifier Air pollutant Ozone layer
Q2. Which of the following electromagnetic waves is used for heating food in microwave ovens?

Infrared waves Radio waves Gamma rays Microwaves
Q3. How far can a cyclist travel in 4 hours if their speed is 20 km/h?

60 km 70 km 80 km 100 km
Q4. Two trains of lengths 120m and 180m are running in the same direction at speeds 50 km/h and 40 km/h respectively. In what time will the faster train overtake the slower train?

36 seconds 40 seconds 45 seconds 50 seconds
Q5. The production of Portland cement involves the heating of limestone with which other material?

Silica Alumina Iron Ore All of the above
Q6. What is the decimal equivalent of the binary number 10110?

16 18 22 24
Q7. For a diatomic gas, the adiabatic index (γ) is approximately:

1.33 1.40 1.67 1.20
Q8. What is the primary function of red blood cells?

Fighting infection Transporting oxygen Clotting blood Digesting food
Q9. In a village, 60% of the population are men. If 25% of men are married, what percentage of the men in the village are unmarried?

25% 50% 75% 80%
Q10. A firm's market share increased by 20% from its previous quarter's share. If its previous quarter's share was 40%, what is its current market share?

48% 50% 44% 52%
Q11. In a group of 500 students, 80% participated in sports and 60% participated in cultural activities. If 10% participated in neither, what percentage participated in both?

40% 45% 50% 55%
Q12. All men are mortal. Socrates is a man. Therefore, Socrates is mortal. What is the major premise?

Socrates is a man. Socrates is mortal. All men are mortal. All men are Socrates.
Q13. A car travels 150 km in 3 hours. What is its average speed?

40 km/h 50 km/h 60 km/h 70 km/h
Q14. A cyclist travels at a speed of 15 km/hr. How long will it take to cover a distance of 45 km?

2 hours 2.5 hours 3 hours 3.5 hours
Q15. What causes a black hole to appear 'black'?

It absorbs all light that hits it It emits no light It is surrounded by a dark nebula It reflects all light away
Q16. Which ministry is primarily responsible for the implementation of most women empowerment schemes in India?

Ministry of Rural Development Ministry of Health and Family Welfare Ministry of Women and Child Development Ministry of Skill Development and Entrepreneurship
Q17. The 'CER' framework (Claim, Evidence, Reasoning) is a valuable tool for developing scientific argumentation in chemical education. What is the primary function of the 'Reasoning' component?

Stating the initial hypothesis. Presenting the collected data. Explaining how the evidence supports the claim, using scientific principles. Concluding the experiment.
Q18. Net Profit is calculated after deducting all expenses, including:

Cost of Goods Sold Operating Expenses Interest and Taxes All of the above
Q19. F:H :: K:?

L M N O
Q20. If a 'book' symbol means 'story' and a 'pen' symbol means 'write', what does 'write, story, write' look like?

Pen, Book, Pen Book, Pen, Book Pen, Pen, Book Book, Book, Pen

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