Multiple choice

Two trains of equal length are running on parallel lines in the same direction at the rate of 46 km/hr. and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train in meter is- दो ट्रेन समान लम्बाई की एक ही दिशा में क्रमश: 46 किमी /घंटा और 36 किमी/घंटा की चाल से चल रही है यदि तेज गति वाली ट्रेन धीमी गति वाली ट्रेन को 36 सेकंड में पार करती है तो प्रत्येक ट्रेन की लम्बाई मी. में ज्ञात कीजिये|

  1. 45

  2. 54

  3. 50

  4. 65
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When trains move in the same direction, their relative speed is the difference of their speeds: 46 - 36 = 10 km/h = 25/9 m/s. To completely pass the slower train, the faster train must cover the sum of both lengths (2L). Using distance = speed × time: 2L = (25/9) × 36 = 100 m. Therefore, each train is 50 m long. Option A (45 m) and B (54 m) are incorrect calculations. Option D (65 m) would require different speeds or time.

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