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DEEPAK SHARMA

· started a discussion

· 1 Months ago

question:382337 (Question: 382337.0 )

105x+70x+70y+60x+60y=60*50 yeh hoga na equation isko solve karne se x=120 aa raha hai

Question:

In a school, there are total of 50 students in class X, who are divided in three sections A, B and C. Section A and B have equal no. of students. All the students of the class wrote a test. The average marks obtained by the section A and B together is 52.5. The average marks obtained by A and C together is 60. The average marks obtained by B and C together is 70. The average marks obtained by section A, B and C together is 60. How many students are there in section C –

Options:
A)

10

B)

15

C)

20

D)

can't be determined

Solution:

Ans: (a)

  

MOHIT KUMAR

· commented

· 1 Months ago

Yet to be approved!
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