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A 90 meter long train crossed a bridge in 15 second with 15 meter/second speed. Find out the length of bridge?
  • a)
    225 Meter
  • b)
    162 Meter
  • c)
    315 Meter
  • d)
    135 Meter
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A 90 meter long train crossed a bridge in 15 second with 15 meter/seco...
Total distance travelled = Length of train + Length of bridge = 15m/s × 15s = 225m
Length of bridge = 225-90 = 135m
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Most Upvoted Answer
A 90 meter long train crossed a bridge in 15 second with 15 meter/seco...
To find the length of the bridge, we need to first calculate the time it takes for the train to cross the bridge.

Given:
- Length of the train = 90 meters
- Speed of the train = 15 meters/second
- Time taken to cross the bridge = 15 seconds

Let's calculate the time taken by the train to cross the bridge.

Since the total distance covered by the train while crossing the bridge is the sum of the length of the train and the length of the bridge, we can write the equation as:

Distance = Speed × Time

Total distance covered = Length of the train + Length of the bridge

90 + Length of the bridge = 15 × 15

90 + Length of the bridge = 225

Subtracting 90 from both sides, we get:

Length of the bridge = 225 - 90 = 135 meters

Therefore, the length of the bridge is 135 meters.

Hence, the correct answer is option D) 135 meters.
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A 90 meter long train crossed a bridge in 15 second with 15 meter/second speed. Find out the length of bridge?a)225 Meterb)162 Meterc)315 Meterd)135 MeterCorrect answer is option 'D'. Can you explain this answer?
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