The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
Question and options
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
- 220m
- 225m
- 245m
- 250m
Answer and explanation
Correct answer: C - 245m
45 km/h = 12.5 m/s. Distance in 30 s = 375 m = train + bridge, so bridge = 375 - 130 = 245 m.
Practice for these exams
-
CUSAT CAT Five-Year LL.B.
-
CUSAT CAT LLM
Related question papers
Related exam syllabi
More solved explanations in Arithmetic
- A father distributes Rs. 16,400 into two fixed deposits for his two sons of age 17 and 18 years respectively, such that at their age of 20 years, both get the same…
- The average of a, b and c is 11; the average of c, d and e is 17; the average of e and f is 22 and the average of e and c is 17. What is the average of a, b, c, d,…
- Gita starts from point A and walks 1000 m east. She then walks 800 m north, followed by 640 m west and 512 m south, reaching point B. After this, she continues…
- Four positive integers are chosen at random. Find the probability that the product of the four numbers is divisible by 5 or 10.
- A wire of length \(25\pi\) cm is bent so as to be along the arc of a circle of diameter 100 cm. The angle subtended by the arc at the centre of the circle is :