Question

7 Ranjan got 45% marks in the first paper and 70% in the second paper How much per cent should he
get in the third paper so as to get 60% as overall score?
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Answer 1

Answer:

Here is your answer....

Step-by-step explanation:

Suppose student got x % marks in third paper.

 

Average= 60%

so  

Average = sum of all 3 marks/3

 

     60= (45+70+x)/3

     180 =115+x

      65=x

Student got 65% marks  in third paper.

Answer 2

Step-by-step explanation:

Trigonometry Table........