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Mock Test

Exam: RRB Group D Subject: Mathematics
Total Questions: 20
  1. Q1. Train A leaves station P at 8:00 AM at a speed of 50 km/hr towards station Q. Train B leaves station Q at 9:00 AM at a speed of 60 km/hr towards station P. The distance between P and Q is 550 km. If Train A has a 45-minute delay at 11:00 AM, at what distance from station P will they meet?
  2. Q2. Find the next number in the series: 3, 7, 15, 31, 63, ?
  3. Q3. In an examination, a student scored 20% more marks in Physics than in Chemistry. The student scored 30% less marks in Chemistry than in Biology. If the student scored 100 marks in Physics, how many marks did the student score in Biology?
  4. Q4. A discount of Rs. 150 is offered on a product marked at Rs. 1000. What is the discount percentage?
  5. Q5. If n! contains 15 trailing zeros, what is the smallest possible value of n?
  6. Q6. A person buys a book for Rs. 200 and sells it at a profit of 20%. What is the selling price?
  7. Q7. A train leaves station P at 8 AM and reaches station Q at 12 PM. Another train leaves station Q at 9 AM and reaches station P at 1 PM. At what time do the trains meet?
  8. Q8. A train 200 meters long crosses a bridge in 18 seconds. If the speed of the train is 60 km/hr, what is the length of the bridge?
  9. Q9. A player has a 95% chance to dodge an attack. What is the percentage chance they will be hit?
  10. Q10. A trader buys 100 kg of sugar at ₹20 per kg. He marks the price at 25% above the cost price. He sells 80 kg of sugar at the marked price and the remaining 20 kg at a discount of 10% on the marked price. What is the total profit percentage?
  11. Q11. Three runners A, B, and C run on a circular track of 500 meters. Their speeds are 5 m/s, 7 m/s, and 9 m/s. If they start from the same point and run in the same direction, when will they meet at the starting point for the first time?
  12. Q12. A train passes a platform in 10 seconds and a man standing on the platform in 4 seconds. If the length of the platform is 60 meters, what is the length of the train?
  13. Q13. What is the 15th even number in the sequence of positive even numbers?
  14. Q14. The Fundamental Theorem of Arithmetic is a property of:
  15. Q15. A man sells an article for Rs. 840 at a profit of 20%. What is the cost price of the article?
  16. Q16. A shopkeeper sells an item for ₹400 at a loss of 20%. What is the cost price?
  17. Q17. Which of the following is the first Fibonacci number greater than 100?
  18. Q18. A shopkeeper sells a watch for ₹4080 after giving a discount of 15%. If he had given a discount of 10%, he would have earned a profit of 25%. What is the cost price of the watch?
  19. Q19. Two runners A and B are on a circular track of 1600 meters. They start from the same point and run in the same direction at speeds of 20 m/s and 16 m/s. When will they meet for the first time after the start?
  20. Q20. A railway network's punctuality rate was 85%. A new scheduling system improved this rate by 10% of the non-punctual trains. What is the new punctuality rate?

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