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In a row of girls, Nivedita is 15th from the left and Vimla is 23rd from the right. If they interchange their positions, then Nivedita becomes 18 th from the left. Then at what position will Vimla be from the right?
- a)26th
- b)22th
- c)24th
- d)28th
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
In a row of girls, Nivedita is 15th from the left and Vimla is 23rd fr...
The situation of positions can be depicted as follows:
... N (15L) . . . V (23 R) ...
Now, when they interchange their positions, then
... V (?) . . . N (18 L) ...
So, difference between their positions is 3 (18 - 15). That is, there are 3 people between both of them.
Thus, Vimla's position from right = 23 + 3 = 26th
Most Upvoted Answer
In a row of girls, Nivedita is 15th from the left and Vimla is 23rd fr...
Given:
Nivedita is 15th from the left
Vimla is 23rd from the right
To Find:
Position of Vimla from the right after interchanging their positions
Solution:
Let us assume that the total number of girls in the row is 'x'.
As per the given information,
Nivedita's position from the left = 15
Vimla's position from the right = 23
Therefore, the position of Vimla from the left can be calculated as follows:
Position of Vimla from the left = Total number of girls - Vimla's position from the right + 1
Position of Vimla from the left = x - 23 + 1
Position of Vimla from the left = x - 22
After interchanging their positions, Nivedita becomes 18th from the left.
Therefore, the new position of Nivedita from the right can be calculated as follows:
New position of Nivedita from the right = Total number of girls - Nivedita's new position from the left + 1
New position of Nivedita from the right = x - 18 + 1
New position of Nivedita from the right = x - 17
As per the question, after interchanging their positions, Nivedita's new position from the left is equal to 18.
Therefore,
Nivedita's new position from the left = 18
Nivedita's new position from the left = 15 + (Vimla's new position from the right)
Substituting the value of Nivedita's new position from the left, we get:
18 = 15 + (Vimla's new position from the right)
Vimla's new position from the right = 18 - 15
Vimla's new position from the right = 3
Therefore, after interchanging their positions, Vimla's position from the right is 3rd.
Answer:
Option A - 26th is the correct answer.
Nivedita is 15th from the left
Vimla is 23rd from the right
To Find:
Position of Vimla from the right after interchanging their positions
Solution:
Let us assume that the total number of girls in the row is 'x'.
As per the given information,
Nivedita's position from the left = 15
Vimla's position from the right = 23
Therefore, the position of Vimla from the left can be calculated as follows:
Position of Vimla from the left = Total number of girls - Vimla's position from the right + 1
Position of Vimla from the left = x - 23 + 1
Position of Vimla from the left = x - 22
After interchanging their positions, Nivedita becomes 18th from the left.
Therefore, the new position of Nivedita from the right can be calculated as follows:
New position of Nivedita from the right = Total number of girls - Nivedita's new position from the left + 1
New position of Nivedita from the right = x - 18 + 1
New position of Nivedita from the right = x - 17
As per the question, after interchanging their positions, Nivedita's new position from the left is equal to 18.
Therefore,
Nivedita's new position from the left = 18
Nivedita's new position from the left = 15 + (Vimla's new position from the right)
Substituting the value of Nivedita's new position from the left, we get:
18 = 15 + (Vimla's new position from the right)
Vimla's new position from the right = 18 - 15
Vimla's new position from the right = 3
Therefore, after interchanging their positions, Vimla's position from the right is 3rd.
Answer:
Option A - 26th is the correct answer.
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In a row of girls, Nivedita is 15th from the left and Vimla is 23rd from the right. If they interchange their positions, then Nivedita becomes 18 th from the left. Then at what position will Vimla be from the right?a)26thb)22thc)24thd)28thCorrect answer is option 'A'. Can you explain this answer?
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