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# In a certain examination, the average marks of an examinee is 64 per paper. If he had obtained 18 more marks for his mathematics paper and 4 more marks for his English paper, his average per paper would have been 66. How many papers were there in the examination?

 A) 11 B) 13 C) 9 D) 15

 A) 11

Let the number of papers = x.

According to the question

64x + 18 + 4 = 66x
2x = 22

X = (22/2) = 11

Part of solved Average questions and answers : >> Aptitude >> Average

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