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A 13 m ladder is placed against a wall at a distance of 12 m from the foot of the wall. The same ladder is placed against a wall opposite to the previous wall, such that the upper end of the ladder touches the wall 7 m above the previous point. Find the distance between two walls. Given that the foot of the ladder is at the same position in both cases.
  • a)
    18 m 
  • b)
    22 m
  • c)
    17  m 
  • d)
    16 m
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A 13 m ladder is placed against a wall at a distance of 12 m from the ...

In the given figure, apply Pythagoras theorem
AB2 + BE2 = AE2 
AB​+ 144 = 169
AB = 5 = CF 
Now FD =  7 
DC = DF + FC = 5 + 7 = 12
Apply Pythagoras theorem
DC2 + EC2 = DE2
144 + EC= 169
EC = 5 = x
Distance between two walls = 12 + 5 = 17 cm
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A 13 m ladder is placed against a wall at a distance of 12 m from the foot of the wall. The same ladder is placed against a wall opposite to the previous wall, such that the upper end of the ladder touches the wall 7 m above the previous point. Find the distance between two walls. Given that the foot of the ladder is at the same position in both cases.a)18 mb)22 mc)17 md)16 mCorrect answer is option 'C'. Can you explain this answer?
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A 13 m ladder is placed against a wall at a distance of 12 m from the foot of the wall. The same ladder is placed against a wall opposite to the previous wall, such that the upper end of the ladder touches the wall 7 m above the previous point. Find the distance between two walls. Given that the foot of the ladder is at the same position in both cases.a)18 mb)22 mc)17 md)16 mCorrect answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about A 13 m ladder is placed against a wall at a distance of 12 m from the foot of the wall. The same ladder is placed against a wall opposite to the previous wall, such that the upper end of the ladder touches the wall 7 m above the previous point. Find the distance between two walls. Given that the foot of the ladder is at the same position in both cases.a)18 mb)22 mc)17 md)16 mCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A 13 m ladder is placed against a wall at a distance of 12 m from the foot of the wall. The same ladder is placed against a wall opposite to the previous wall, such that the upper end of the ladder touches the wall 7 m above the previous point. Find the distance between two walls. Given that the foot of the ladder is at the same position in both cases.a)18 mb)22 mc)17 md)16 mCorrect answer is option 'C'. Can you explain this answer?.
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