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The following data relates to the marks of a group of  students.
Marks                         No. of Students 
More than 70%                          07
More than 60%                          18
More than 50%                          40 
More than 40%                          60 
More than 30%                          75 
More than 20%                         100 
How many students have got marks less than 50%?
  • a)
    60
  • b)
     82
  • c)
    40
  • d)
    43
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The following data relates to the marks of a group of students.Marks ...
Correct Answer :- a
Explanation : 40 students got marks more than 50%
Let Total students = 100
Students got marks less than 50% =  100 - 40
= 60 students.
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Community Answer
The following data relates to the marks of a group of students.Marks ...
Given Data:
Marks No. of Students
More than 70% 07
More than 60% 18
More than 50% 40
More than 40% 60
More than 30% 75
More than 20% 100

To find:
How many students have got marks less than 50%?

Solution:
We can see from the given data that:
- 40 students have got more than 50% marks
- 60 students have got more than 40% marks
- 75 students have got more than 30% marks
- 100 students have got more than 20% marks

Let's find out how many students have got marks between 20% and 50%:
- Students with more than 20% marks = 100
- Students with more than 50% marks = 40
Therefore, students with marks between 20% and 50% = 100 - 40 = 60

Hence, the number of students who have got marks less than 50% is 60. Therefore, option (a) 60 is the correct answer.
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The following data relates to the marks of a group of students.Marks No. of StudentsMore than 70% 07More than 60% 18More than 50% 40More than 40% 60More than 30% 75More than 20% 100How many students have got marks less than 50%?a)60b)82c)40d)43Correct answer is option 'A'. Can you explain this answer?
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