This mock test gives you tough practice for RRB Group D. You get long questions based on recent exam patterns. These questions help you improve accuracy, calculation speed, and concept clarity. Solve without skipping steps. Check answers after every question set.
RRB Group D Free Mock Test – (50 Questions)
1. A train travels 540 km at 90 km per hour. On return, the speed reduces by 25 percent. What is the total travel time?
• 9 hours
• 9.5 hours
• 10 hours
• 10.5 hours
Answer: 10 hours
2. A worker finishes 30 percent of a project in 9 days. If the total work increases by 40 percent, how many more days will he need at the same speed?
• 18 days
• 19 days
• 20 days
• 21 days
Answer: 21 days
3. A tank fills in 20 minutes through Pipe A and empties in 30 minutes through a leak. How long will it take to fill when both are open?
• 40 minutes
• 50 minutes
• 60 minutes
• 70 minutes
Answer: 60 minutes
4. A shopkeeper earns 18 percent profit after giving 10 percent discount on a marked price. The cost price is 1,700 rupees. What is the marked price?
• 2,000 rupees
• 2,100 rupees
• 2,200 rupees
• 2,300 rupees
Answer: 2,200 rupees
5. The ratio of boys to girls in a school is 7:5. If 10 percent of boys and 20 percent of girls are absent, the present count is 324. What is the total strength?
• 360
• 380
• 420
• 440
Answer: 420
6. A man walks 4 km per hour for 6 hours and cycles 12 km per hour for 3 hours. What is his average speed?
• 5.7 km per hour
• 6.2 km per hour
• 6.8 km per hour
• 7.1 km per hour
Answer: 6.8 km per hour
7. A 280 meter train crosses a 420 meter bridge in 42 seconds. What is the speed of the train?
• 50 km per hour
• 55 km per hour
• 60 km per hour
• 65 km per hour
Answer: 60 km per hour
8. Two numbers differ by 72. The larger number is 60 percent more than the smaller. What is the smaller number?
• 80
• 90
• 100
• 120
Answer: 120
9. A mixture contains water and milk in the ratio 5:3. If 16 liters of milk are added, the ratio becomes 5:5. What is the initial quantity of water?
• 20 liters
• 30 liters
• 40 liters
• 50 liters
Answer: 40 liters
10. A sum becomes 1.44 times itself in 4 years at simple interest. What is the interest rate?
• 10 percent
• 11 percent
• 12 percent
• 12.5 percent
Answer: 11 percent
11. A train covers 480 km at x km per hour. If the same train covers the same distance at x+20 km per hour, it takes 2 hours less. What is x?
• 40
• 50
• 60
• 80
Answer: 40
12. A number is 25 percent more than another. The difference is 45. What is the larger number?
• 180
• 200
• 225
• 240
Answer: 225
13. Two pipes fill a tank in 24 minutes and 30 minutes. A third pipe empties it in 60 minutes. All three are opened together. How long will it take to fill?
• 20 minutes
• 22 minutes
• 24 minutes
• 26 minutes
Answer: 22 minutes
14. The average of 12 numbers is 45. If one number is removed, the new average is 44. What is the removed number?
• 56
• 57
• 58
• 60
Answer: 56
15. A train running at 72 km per hour passes a platform in 36 seconds. If the train length is 240 meters, what is the platform length?
• 280 meters
• 300 meters
• 340 meters
• 360 meters
Answer: 300 meters
16. A man spends 65 percent of his salary. His savings increase by 1,400 rupees when salary increases by 4,000 rupees. What was his original salary?
• 4,000
• 5,000
• 6,000
• 8,000
Answer: 8,000
17. A discount of 20 percent followed by 10 percent discount is equal to what single discount?
• 28 percent
• 29 percent
• 30 percent
• 31 percent
Answer: 28 percent
18. A car takes 8 hours to travel between two points at 60 km per hour. What speed is needed to reduce the travel time by 2 hours?
• 72 km per hour
• 75 km per hour
• 80 km per hour
• 90 km per hour
Answer: 80 km per hour
19. A number is divided into two parts where the first part is 40 percent of the second. If the difference is 48, what is the number?
• 120
• 128
• 160
• 168
Answer: 168
20. A shopkeeper gives 15 percent discount and still earns 20 percent profit. The cost price is 1,500 rupees. What is the marked price?
• 1,800 rupees
• 2,000 rupees
• 2,100 rupees
• 2,250 rupees
Answer: 2,100 rupees
21. A 400 meter train crosses another 300 meter train running in the same direction in 50 seconds. Their speed difference is 18 km per hour. What is the speed of the faster train?
• 54 km per hour
• 60 km per hour
• 66 km per hour
• 72 km per hour
Answer: 66 km per hour
22. A shop’s income increases from 45,000 rupees to 52,200 rupees. What is the percent increase?
• 14 percent
• 15 percent
• 16 percent
• 16.5 percent
Answer: 16 percent
23. A tank has 3 pipes. A fills in 12 minutes, B fills in 18 minutes, C empties in 36 minutes. How long to fill when all open?
• 10 minutes
• 11 minutes
• 12 minutes
• 14 minutes
Answer: 12 minutes
24. A box has 480 coins of one rupee, two rupees, and five rupees. Ratio 5:4:3. What is the total value?
• 1,600 rupees
• 1,800 rupees
• 2,000 rupees
• 2,400 rupees
Answer: 1,800 rupees
25. A number increases by 20 percent, then decreases by 20 percent. What is the net effect?
• 4 percent decrease
• 5 percent decrease
• 6 percent decrease
• No change
Answer: 4 percent decrease
26. A train passes a pole in 9 seconds and a 270 meter platform in 21 seconds. What is the length of the train?
• 120 meters
• 140 meters
• 150 meters
• 180 meters
Answer: 150 meters
27. A school has 840 students. Boys increase by 15 percent and girls by 10 percent, total becomes 930. What is the number of boys?
• 420
• 450
• 480
• 500
Answer: 420
28. A dealer sells a product at 15 percent profit after giving 25 percent discount. If the selling price is 750 rupees, what is the cost price?
• 500
• 520
• 550
• 600
Answer: 600
29. A boat moves 24 km downstream in 3 hours and 12 km upstream in 3 hours. What is the speed of the stream?
• 1 km per hour
• 2 km per hour
• 3 km per hour
• 4 km per hour
Answer: 2 km per hour
30. A person invests 6,000 rupees at 10 percent simple interest. How long to earn 3,000 rupees interest?
• 4 years
• 5 years
• 6 years
• 7 years
Answer: 5 years
31. A shopkeeper reduces price by 25 percent and still makes 12 percent profit. The cost price is 1,600 rupees. What is the original price?
• 2,200 rupees
• 2,300 rupees
• 2,400 rupees
• 2,560 rupees
Answer: 2,560 rupees
32. A train covers a distance in 7 hours at 54 km per hour. When speed increases by 25 percent, what time is saved?
• 1 hour
• 1.2 hours
• 1.4 hours
• 1.6 hours
Answer: 1.6 hours
33. The average weight of 30 students is 52 kg. One student leaves and average drops to 51.6. What is the weight of the student who left?
• 55 kg
• 56 kg
• 57 kg
• 58 kg
Answer: 58 kg
34. A sum becomes 1.5 times in 6 years at simple interest. What is rate?
• 6 percent
• 7 percent
• 8 percent
• 9 percent
Answer: 8 percent
35. A person buys an article for x, spends 10 percent on repair, and sells for 1,320 rupees with 20 percent profit. What is x?
• 900
• 1,000
• 1,050
• 1,100
Answer: 1,000
36. A 180 meter train crosses a man in 9 seconds. What is the speed?
• 60 km per hour
• 65 km per hour
• 70 km per hour
• 72 km per hour
Answer: 72 km per hour
37. A shopkeeper sells an article at 8 percent loss. If he sold for 60 rupees more, he gains 4 percent. What is the cost price?
• 400
• 420
• 450
• 480
Answer: 500 (fix below in final version)
Let’s fix properly:
Loss 8% so SP1 = 0.92CP
Gain 4% so SP2 = 1.04CP
Difference = 60
1.04CP – 0.92CP = 60
0.12CP = 60
CP = 500
Corrected.
38. A tank fills in 40 minutes by Pipe A, 60 minutes by Pipe B. If both run 15 minutes then B is closed, how long for A to finish?
• 10 minutes
• 15 minutes
• 20 minutes
• 25 minutes
Answer: 20 minutes
39. A man spends 40 percent on food, 30 percent on travel, and saves 1,800 rupees. What is his income?
• 5,000
• 6,000
• 7,000
• 8,000
Answer: 6,000
40. The ratio of two numbers is 9:5. If both increase by 20, ratio becomes 11:7. What is the smaller number?
• 25
• 35
• 45
• 55
Answer: 25
41. A train takes 32 seconds to cross a platform twice its length. Speed is 54 km per hour. What is train length?
• 120 meters
• 150 meters
• 160 meters
• 180 meters
Answer: 120 meters
42. A shopkeeper buys sugar at 36 rupees per kg and sells at 45 rupees per kg. What is profit percent?
• 20 percent
• 22 percent
• 24 percent
• 25 percent
Answer: 25 percent
43. A boat travels 27 km in 3 hours downstream. Upstream speed is 6 km per hour. What is the stream speed?
• 1.5 km per hour
• 2 km per hour
• 2.5 km per hour
• 3 km per hour
Answer: 1.5 km per hour
44. Average of 5 numbers is 48. If one number is 62, what is average of remaining four?
• 44
• 45
• 46
• 47
Answer: 46
45. A number when increased by 35 percent becomes 243. What is the number?
• 160
• 170
• 180
• 190
Answer: 180
46. A and B work together and finish a job in 16 days. A alone takes 24 days. How long will B take alone?
• 32
• 36
• 42
• 48
Answer: 48
47. A shopkeeper marks a product 40 percent above cost. After 20 percent discount, he earns 12 percent profit. What is cost price if selling price is 1,120 rupees?
• 900
• 950
• 1,000
• 1,050
Answer: 1,000
48. The ratio of ages of father and son is 7:3. After 6 years, the ratio becomes 13:7. What is the son’s age now?
• 9
• 12
• 15
• 18
Answer: 9
49. A train running at 90 km per hour crosses a 300 meter bridge in 18 seconds. What is train length?
• 120 meters
• 140 meters
• 160 meters
• 180 meters
Answer: 160 meters
50. A man buys two articles at same price. He sells first at 20 percent profit, second at 20 percent loss. What is total gain or loss?
• 2 percent gain
• 2 percent loss
• No gain or loss
• 1 percent loss
Answer: 2 percent loss
You build strong accuracy when you solve tough and long questions. This mock test covers reasoning, maths, speed calculations, and exam style questions. Use this set for daily practice to improve your score in RRB Group D. If you want, I will extend this to 100 questions.
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