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Data Interpretation - Table Charts - Discussion

Discussion Forum : Table Charts - Table Chart 4 (Q.No. 5)
Table Charts
Directions to Solve

Study the following table and answer the questions.

Classification of 100 Students Based on the Marks Obtained by them in Physics and Chemistry in an Examination.

Subject Marks out of 50
40 and above 30 and above 20 and above 10 and above 0 and above
Physics9328092100
Chemistry4216681100
Average (Aggregate)7277387100

5.
If it is known that at least 23 students were eligible for a Symposium on Chemistry, then the minimum qualifying marks in Chemistry for eligibility to Symposium would lie in the range?
40-45
30-40
20-30
Below 20
Answer: Option
Explanation:

Since 66 students get 20 and above marks in Chemistry and out of these 21 students get 30 and above marks, therefore to select top 35 students in Chemistry, the qualifying marks should lie in the range 20-30.

Discussion:
38 comments Page 3 of 4.
Venki said:   9 years ago
Can you explain briefly, please?
Vivek said:   9 years ago
Gap between 66 and 21= 45>23. So c is right.
Prabir Nag said:   9 years ago
I can't understand the answer. Please explain me.
Gray said:   8 years ago
But, below 20 too there are 34 students out of which 23 can be selected.
Gray said:   8 years ago
But below 20 category also has 34 students. It can also be the answer.
Mainak Mukherjee said:   8 years ago
Yes, your are right @Alok Kumar Mishra.
Sankardev said:   7 years ago
Excellent explanation, Thanks @Dina.
Sravani said:   7 years ago
I can't understand that question. Can anyone explain me?
Priyu said:   7 years ago
40% = 40/100 * 50 = 20.

Less than 40 means 73,
So, 100 -73 = 27.
Priyanka said:   6 years ago
I cannot understand. Please explain.
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