1.

a student scored 55% marks in the first exam and 70% in II exam how much percent should he score in III exam so as to get 70% as an overall score

Answer»

He have to give 3exams so that total %=300.
he scored 125% of 200% in TWO EXAMS in total.
overall he had to SCORE=70%.
so 70% of 300%=210%
and he had scored 125% earlier.
so, he had to score 210%-125%=85% ANS.



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