logo

CuriousTab

CuriousTab

Discussion


Home Aptitude Problems on Trains See What Others Are Saying!
  • Question
  • How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?


  • Options
  • A. 25
  • B. 30
  • C. 40
  • D. 45

  • Correct Answer
  • 30 

    Explanation
    Speed of the train relative to man = (63 - 3) km/hr
    = 60 km/hr
    = 60 x 5 m/sec
    18
    = 50 m/sec.
    3
    ∴ Time taken to pass the man
    = 500 x 3 sec
    50
    = 30 sec.

  • More questions

    • 1. 
      The ratio of the area of square of side a and equilateral triangle of side a is?

    • Options
    • A. 2 :1
    • B. 2 : ?3
    • C. 4 :3
    • D. 4 : ?3
    • Discuss
    • 2. 
      (log tan1°. log tan2° ............. log tan50°) is?

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. - 1
    • Discuss
    • 3. 
      The number of all prime numbers less than 40 is ...

    • Options
    • A. 15
    • B. 18
    • C. 12
    • D. 17
    • Discuss
    • 4. 
      The areas of two similar ?s are 81 cm 2 and 144 cm 2. If the largest side of the smaller ? is 27 cm, then the largest side of the larger ? is :

    • Options
    • A. 24 cm
    • B. 48 cm
    • C. 36 cm
    • D. 88 cm
    • Discuss
    • 5. 
      A sum of Rs. 41 was divided among 50 boys and girls. Each boy gets 90 paise and a girl 65 paise. The number of boys is ?

    • Options
    • A. 16
    • B. 34
    • C. 14
    • D. 36
    • Discuss
    • 6. 
      In the following, find the value (s) of P so that the given equation has equal roots 3x 2 - 5x + P = 0

    • Options
    • A. - 25 12
    • B. 25 6
    • C. 25 12
    • D. - 25 6
    • Discuss
    • 7. 
      If (1/5 )3a = 0.008 Find the value of ( 0.25)a

    • Options
    • A. 20.5
    • B. 22.5
    • C. 0.25
    • D. 6.25
    • Discuss
    • 8. 
      A man gained 10% by selling an article for a certain price. If the sells it at double the price, then the profit made is?

    • Options
    • A. 120%
    • B. 20%
    • C. 40%
    • D. 100
    • Discuss
    • 9. 
      A radius of the base of a right circular cone is 6 cm and its slant height is 28 cm. The curved surface area of the cone is?

    • Options
    • A. 268 sq. cm
    • B. 528 sq. cm
    • C. 462 sq. cm
    • D. 658 sq. cm
    • Discuss
    • 10. 
      The total number of students in school is 2140. If the number of girls in the school is 1200, then what is the ratio of the total number of boy to the total number of girls in the school?

    • Options
    • A. 26 : 25
    • B. 47 : 60
    • C. 18 : 13
    • D. 31 : 79
    • Discuss


    Comments

    There are no comments.

Enter a new Comment