In a Computer exam a student scored 45 marks in the first paper out of a total of 200 How much shoul...........

Quantitative Aptitude ( CCS) Average

In a Computer exam, a student scored 45% marks in the first paper out of a total of 200. How much should he score in the second paper out of a total of 250, if he is to get an overall average of 160/3%?

65%

70%

55%

60%

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Explanation:

Solution:
Maximum mark =200+250=450
Let x% be scored in 2nd paper.
45/100*200 + x/100*250 =160/300*450
90+ x/100*250=240
x/100*250=240-90
x/100*250=150
x=60%.