The surnames of 40 children in a class arranged in alphabetical order. 16 of the...

WAEC 1988

The surnames of 40 children in a class arranged in alphabetical order. 16 of the surnames begins with O and 9 of the surname begins with A, 14, of the letters of the alphabet do not appear as the first letter of a surname

If more than one surname begins with a letter besides A and O, how may surnames begin with that letter

A. 2
B. 3
C. 4
D. 5
E. 6

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Correct Answer: Option E

Explanation

14 of the letters of the alphabet do not appear as the first letter of surname
∴ the no. of letters that appeared = 26-14 = 12 alphabets
15 surnames begin with 10 letters beside O and A
∴ 6 surnames begin with a letter

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