Ranjan got 45% marks in the first paper and 70% in the second paper .How much percent should he get in the third paper so as to get 60 % as overall shore?

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Solution

Let the percentage he got in the third paper be x.

According to the problem:

45+70+x
————— = 60
3

=>45+70+x = 60×3 = 180
=>x=180-45-70
=180-(45+70)
=180-115
=65%

Answer=65%
TO CHECK:

Average of 45,70 and 65
45+70+65
= —————–
3
180
= —— =60%
3

:. He got 65 % in the third paper.

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In an examination, there are three papers each of 100 marks. A candidate obtained 53 marks in the first paper and 75 marks in the second paper. How many marks must the candidate obtain in the third paper to get an overall of 70% marks?

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