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All 44 people standing in a row are facing North. Henry is 16th from the right end while Alexa is 9th from the left end. How many people are there between Henry and Alexa?
18
17
16
19 Question ID : 4410091463281 Option 1 ID : 4410095781260 Option 2 ID : 4410095781259 Option 3 ID : 4410095781258 Option 4 ID : 4410095781261 Status : Answered Chosen Option : D
19 Question ID : 4410091463281 Option 1 ID : 4410095781260 Option 2 ID : 4410095781259 Option 3 ID : 4410095781258 Option 4 ID : 4410095781261 Status : Answered Chosen Option : D
To find people between two positions, use the formula: Total People - (Position from Left + Position from Right). Here: 44 - (9 + 16) = 19.
To find people between two positions, use the formula: Total People - (Position from Left + Position from Right). Here: 44 - (9 + 16) = 19.
Convert positions to a common reference
Henry is 16th from the right. To find his position from the left, use: (Total + 1) - (Right Position) = (44 + 1) - 16 = 29th from the left.
Calculate the gap between positions
Alexa is 9th from the left and Henry is 29th from the left. The number of people between them is (29 - 9) - 1 = 19.
A: 18 is incorrect as it fails to account for the gap boundary correctly. B: 17 is incorrect as it subtracts an extra position. C: 16 is incorrect and stems from ignoring the total count constraint.
D is correct because applying the formula Total - (Left + Right) gives 44 - 25 = 19, which represents the count of individuals strictly between the two mentioned people.
When calculating the number of people between two individuals in a row, always remember the formula: Number between = (Total) - (Rank1 + Rank2). If the sum of ranks exceeds the total, use the overlap formula instead.
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