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A group of dancers are standing in a line for their performance. Joseph tried to calculate his rank from either side and found that his rank is 19th. Find the total number of dancers standing in that line.
  • a)
    36
  • b)
    37
  • c)
    38
  • d)
    39
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
A group of dancers are standing in a line for their performance. Josep...
Ans: b
Explanation: If we count till Joseph from the left side, then he will be 19 dancers. Similarly, from the right-hand side, the total number of students to Joseph will also be 19. Now adding both and subtracting 1 (dual occurrence of Joseph) we will get = 19 + 19 - 1 = 37.
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A group of dancers are standing in a line for their performance. Josep...
The Rank of Joseph

Joseph is trying to calculate his rank from either side of the line of dancers. He determines that his rank is 19th. Let's find out the total number of dancers standing in that line.

Approach:

To find the total number of dancers, we need to consider both the ranks from the left and the ranks from the right.

Ranks from the Left:

If Joseph is at the 19th position from the left, it means there are 18 dancers to his left. Therefore, the number of dancers to the left of Joseph is 18.

Ranks from the Right:

If Joseph is at the 19th position from the right, it means there are 18 dancers to his right. Therefore, the number of dancers to the right of Joseph is also 18.

Total Number of Dancers:

To find the total number of dancers, we need to add the number of dancers to the left and the number of dancers to the right, and then add 1 for Joseph himself.

Total number of dancers = Number of dancers to the left + Number of dancers to the right + 1

Total number of dancers = 18 + 18 + 1

Total number of dancers = 37

Therefore, the correct answer is option B) 37.
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A group of dancers are standing in a line for their performance. Joseph tried to calculate his rank from either side and found that his rank is 19th. Find the total number of dancers standing in that line.a)36b)37c)38d)39Correct answer is option 'B'. Can you explain this answer?
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