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
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Answered by
25
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.
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.
stutivishwakarma:
hiiii
Answered by
14
Suppose that he obtained ||| exam mark= x%
Average score = (55+70+x)/3
70= (125+x)/3
210=125+x
x= 210-125= 85 %..... Ur ans
Average score = (55+70+x)/3
70= (125+x)/3
210=125+x
x= 210-125= 85 %..... Ur ans
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