Question

A 120m long train crosses a bridge with a speed of 50km/hr in 2 minutes. Find out the length of the Bridge.​

Answer 1

Answer:

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Step-by-step explanation:

Total Distance: 120+130= 250 m

Speed: 50km/h = 50*5/18

Time= D/S= 250÷50*5/18= 250*18/250= 18 sec

Answer 2

Step-by-step explanation:

total distance covered by train =

$50 \times \frac{5}{18} \times 2 \times 60 = 1666.67 \: m$

the length of bridge =

distance travelled - length of train

=

$1666.67 - 120 = 1546.67 \: m$