In mathematics examination a student scored 30% marks in the first paper out of 180.How much % marks should he score in the second paper of 150 marks if he is to get an overall of at least 50% marks?
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3
25% and 300 in third paper
murali819:
solve karke batao
Answered by
13
Answer:
74%
Step-by-step explanation:
Given 30% of 180 and x% of 150 =50% (180+150)
(30*180)/100 + (x*150)/100=(50*330)/100
=>5400+150x=16500
=>150x=16500-5400
=>x=11100/150
=>x=2220/30
=>x=74%
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