RRB Assistant Loco Pilot - CBT-1 One Line Questions & Answers

1. What is the probability of getting a head when a fair coin is tossed? — 1/2

2. If a number is increased by 20% and then decreased by 20%, the net percentage change is: — 4% decrease

3. If a number is increased by 50% and then decreased by 50%, the net percentage change is: — 25% decrease

4. Simplify: (5/3) + (7/6) — 19/6

5. What is the value of (sqrt(16) + sqrt(9)) / sqrt(4)? — 3.5

6. If a train travels at 60 km/hr, how long will it take to cover a distance of 150 km? — 2.5 hours

7. What is the value of (3^2 * 3^3) / 3^4? — 3

8. What is the value of 0.75 as a fraction? — 3/4

9. If the length of a rectangle is increased by 10% and the width is decreased by 10%, the percentage change in area is: — 1% decrease

10. The length of a rectangle is twice its width. If the perimeter is 60 cm, what is the length? — 20 cm

11. If the cost price of 10 pens is equal to the selling price of 8 pens, the profit percentage is: — 25%

12. Two trains starting from the same station run in opposite directions. Their speeds are 50 km/hr and 60 km/hr. What is the distance between them after 2 hours? — 220 km

13. The sum of three consecutive integers is 45. The integers are: — 14, 15, 16

14. What is the maximum mark allotted for the Mathematics section in RRB ALP CBT-1? — 25

15. A number is divided by 5 and then by 3. The result is 10. The number is: — 150

16. If a man walks at 4 km/hr, he reaches his destination 30 minutes late. If he walks at 5 km/hr, he reaches 15 minutes early. What is the distance? — 30 km

17. The sum of the ages of a father and son is 60 years. If the father's age is three times the son's age, what is the father's age? — 45 years

18. What is the least common multiple (LCM) of 8 and 12? — 24

19. If the side of a square is 8 cm, what is its area? — 64 sq cm

20. What is the value of (12 * 15) + (20 / 4)? — 170

21. If the altitude of a triangle is 10 cm and its base is 8 cm, what is its area? — 40 sq cm

22. If 30% of a number is 60, then the number is: — 200

23. What is the greatest common divisor (GCD) of 12, 18, and 24? — 6

24. What is the value of x if 2x + 5 = 15? — 5

25. What is the value of (5!)/(3!)? — 20

26. If 5 men can do a piece of work in 10 days, how many days will it take for 10 men to do the same work? — 5 days

27. If the radius of a circle is 7 cm, what is its circumference? (Use pi = 22/7) — 44 cm

28. What is the square root of 1024? — 32

29. The ratio of two numbers is 3:4 and their sum is 70. The numbers are: — 30 and 40

30. The sum of digits of a two-digit number is 9. If the digits are reversed, the new number is 27 more than the original number. The original number is: — 36

31. The sum of squares of two consecutive even numbers is 100. The numbers are: — 6 and 8

32. If x/y = 2/3, then (3x + 2y) / (2x + 3y) is equal to: — 12/13

33. What is the average of the first 5 prime numbers? — 5.6

34. Two numbers are such that their difference is 5 and their sum is 15. The numbers are: — 5 and 10

35. Two numbers are in the ratio 5:7. If the product of the numbers is 175, the numbers are: — 5 and 7

36. A can complete a work in 10 days and B can complete it in 15 days. In how many days can they complete the work together? — 6 days

37. The sum of the first 10 natural numbers is: — 55

38. A number is multiplied by 5 and then 10 is subtracted from it. The result is 40. The number is: — 8

39. A clock shows 3:30. What is the angle between the hour hand and the minute hand? — 75 degrees

40. What is the average of the first five multiples of 3? — 9

41. The difference between the circumference and diameter of a circle is 132 cm. What is the radius of the circle? (Use pi = 22/7) — 14 cm

42. If the speed of a boat in still water is 10 km/hr and the speed of the stream is 2 km/hr, then the speed of the boat downstream is: — 12 km/hr

43. A shopkeeper marks his goods 20% above the cost price and then offers a 10% discount. His net profit percentage is: — 8%

44. A rectangular field is 50 meters long and 30 meters wide. What is its area? — 1500 sq m

45. Which section of the RRB ALP CBT-1 exam assesses mathematical aptitude? — Mathematics

46. Which of the following topics is typically NOT covered in the Mathematics section of RRB ALP CBT-1? — Trigonometry

47. A person borrows Rs. 1000 at 5% simple interest per annum. The interest for 3 years will be: — Rs. 150

48. What is the compound interest on Rs. 1000 for 2 years at 10% per annum? — Rs. 210

49. If 15% of a salary is Rs. 3000, then the total salary is: — Rs. 20000

50. A shopkeeper sells an article for Rs. 500 at a profit of 25%. What is the cost price of the article? — Rs. 400

CBT-1 - One Line Questions