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
Correct Answer: 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
