Rahul's average marks in 5 subjects in an examination were 75. He scored 72 inEnglish. 64 in Bengali, 81 in Maths, 73 in History. How much did he score in
science?
please step by step
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Answer:
85
Step-by-step explanation:
Rahul's average marks in 5 subjects were 75
he scored in English = 72
in Bengali = 64
in Maths = 81
in History = 73
science = ?
avg marks = total no. of obtained marks * 100 / total no. of marks
75 = (72+64+81+73+ x ) * 100 / 500
75*5 = 290 + x
375 -290 = x
x = 85
he score 85 marks in science
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