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Aditya Pratap Singh

· started a discussion

· 1 Months ago

average (Question:880144.0)

why multiply by 120

Question:
DIRECTIONS: Study the following tables and answer the questions that follow.


Percentage of marks scored by five students in five different subjects


What is the average marks scored in Physics by all the students together?

Options:
A) 85 
B) 87.6
C) 89.4
D) 92.3
Solution:
Ans: (b) Average percentage (Physics) = \(\left ( \cfrac {80 +70 +75+90+50}{5} \right )\%\)

\(= \left ( \cfrac {365}{5} \right )\% = 73 %\)

Average marks = \(\left ( \cfrac {73}{100} \right )\times 120 = 87.6\)

Knowledge Expert

· commented

· 1 Months ago

Dear Student,
Because Maximum marks in physics is 120.
Keep learning with us
Thank You
Team Toprankers

Knowledge Expert

· commented

· 1 Months ago

Dear Student,
Because Maximum marks in physics is 120.
Keep learning with us
Thank You
Team Toprankers
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