Question

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

please give me step by step solution

Answer 1

Answer:

82

Step-by-step explanation:

total marks is 300

53+75=128

70% of 300 is 210

so you require 210 marks

210-128=82

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Answer 2

GIVEN :

3 PAPERS

100 MARKS EACH

1ST  PAPER : 53 MARKS

2ND  PAPER : 75 MARKS

3RD  PAPER : ?

TOTAL % : 70%

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