Question

how many of the five pairs listed below are exact duplicates?

glickstein, e. m. glickstien, e.
gulliksen, h. c. gulliksen, h. c.
gonzales, j. e. gonzalez, j. e.
kulik, j. a. kulik, j. a.
iaffaldono, n. e. iaffaldono, n. f.

1
2
3
4
5

Explanation:

Compare each pair for exact matches

• Pair 1: "Glickstein, E. M." vs "Glickstien, E." (Different spelling "stein" vs "stien" and missing "M.")
• Pair 2: "Gulliksen, H. C." vs "Gulliksen, H. C." (Exact match)
• Pair 3: "Gonzales, J. E." vs "Gonzalez, J. E." (Different spelling "Gonzales" vs "Gonzalez")
• Pair 4: "Kulik, J. A." vs "Kulik, J. A." (Exact match)
• Pair 5: "Iaffaldono, N. E." vs "Iaffaldono, N. F." (Different middle initial "E." vs "F.")

Count the exact duplicates

• The exact duplicates are Pair 2 and Pair 4.
• Total count is 2.

Answer:

• 1
• 2 (Correct answer)
• 3
• 4
• 5