Subject
Quantitative Aptitude
Topic
Average
In an examination, a pupil's average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination ?
In an examination, a pupil's average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination ?
ক)
8খ)
15গ)
19ঘ)
11Explanation
Let the number of papers be x. Then, 63x + 20 + 2 = 65x or 2x = 22 or x = 11.Related questions
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