Question
Quantitative Ability and Data Interpretation Question on Heights and Distances
If a 30 meter ladder is placed against a wall such that it just reaches the top of the wall, if the horizontal distance between the wall and the base of the ladder is 1/3rd of the length of ladder, then the height of wall is :
A
25 meter
B
20√2 meter
C
20√3 meter
D
20 meter
Answer
20√2 meter
Explanation
Solution
The correct option is (B) : 20√2 meter