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Home Aptitude Problems on Ages See What Others Are Saying!
  • Question
  • Two trains of length 50 m and 65 m are moving in the same direction at 18 m/s and 17 m/s, respectively. Find the time taken by the faster train to cross the slower train.?


  • Options
  • A. 100 s
  • B. 114 s
  • C. 95 s
  • D. 115 s

  • Correct Answer
  • 115 s 

    Explanation

    According to the formula.
    Required time = (x + y)/(u - v)
    Here , x = 50 m , y = 65 m , u = 18 m/s and v = 17 m/s
    ? Required time = (50 + 65)/(18 - 17) = 115/ 1 = 115 s


  • More questions

    • 1. What is the average of first 93 natural numbers?

    • Options
    • A. 45
    • B. 46
    • C. 47
    • D. 49
    • Discuss
    • 2. The cost of fencing a square field @ Rs. 20 per metre is Rs.10.080.How much will it cost to lay a three meter wide pavement along the fencing inside the field @ Rs. 50 per sq m

    • Options
    • A. 53800
    • B. 43800
    • C. 83800
    • D. 73800
    • Discuss
    • 3. What is the measure of an interior angle of a regular decagon?

    • Options
    • A. 120°
    • B. 140°
    • C. 144°
    • D. 150°
    • Discuss
    • 4. The average weight of 100 students is 32 kg. The average weight of first 49 students is 30 kg and of last 50 students is 34 kg. What is the weight (in kg) of the 50th student?

    • Options
    • A. 25
    • B. 30
    • C. 32
    • D. 33
    • Discuss
    • 5. The average weight of Shubha, Govinda and Reshma is 65 kg. If the average weight of Shubha and Govinda be 63 kg and that of Govinda and Reshma be 70 kg, then the weight of Govinda is

    • Options
    • A. 41
    • B. 71
    • C. 88
    • D. 46
    • Discuss
    • 6. Which year has 366 days?

    • Options
    • A. 1900
    • B. 1200
    • C. 2500
    • D. 1700
    • Discuss
    • 7. A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning?

    • Options
    • A. 40
    • B. 39
    • C. 50
    • D. 55
    • Discuss
    • 8. A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning?

    • Options
    • A. 40
    • B. 39
    • C. 50
    • D. 55
    • Discuss
    • 9. In the given figure, PQRSTU is a regular hexagon of side 12 cm. What is the area (in sq.cm) of triangle SQU?

    • Options
    • A. 162√3
    • B. 216√3
    • C. 108√3
    • D. 54√3
    • Discuss
    • 10. In the given figure, four identical semicircles are drawn in a quadrant. XA = 7 cm. What is the area (in sq.cm) of shaded region?

    • Options
    • A. 70
    • B. 140
    • C. 77
    • D. 84
    • Discuss


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