Data Interpretation - Table Charts - Discussion
Discussion Forum : Table Charts - Table Chart 4 (Q.No. 4)
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 | |
| Physics | 9 | 32 | 80 | 92 | 100 |
| Chemistry | 4 | 21 | 66 | 81 | 100 |
| Average (Aggregate) | 7 | 27 | 73 | 87 | 100 |
4.
The number of students scoring less than 40% marks in aggregate is?
Answer: Option
Explanation:
| We have 40% of 50 = |  |
40 | x 50 |  |
= 20. |
| 100 |
Required number
= Number of students scoring less than 20 marks in aggreagate
= 100 - Number of students scoring 20 and above marks in aggregate
= 100 - 73
= 27.
Discussion:
24 comments Page 1 of 3.
Sain said:
1 decade ago
please remove the word "less than" from the question.
Umesh said:
1 decade ago
Is there is no short tricks to solve these problems and problems.
Related to pie chart and other d. I. Problems.
If there are plese send me the short tricks.
Related to pie chart and other d. I. Problems.
If there are plese send me the short tricks.
Dhivya said:
1 decade ago
The word less than symbolise less than 20 marks so we need to take 10 and above only
Tejasvee said:
1 decade ago
How you are taking 40 percent of 50 why 50 how 50?
Emmanuel said:
1 decade ago
But using less than in the sentence makes it start from 10 and above. Why is the aggregate for 20 and above being used instead?
Sohail said:
1 decade ago
If there is no word lesser then answer will become 73.
If there is lesser than = no.of students -73.
If there is lesser than = no.of students -73.
Riya said:
1 decade ago
How 100-73 came? What that 73 denotes? How to calculate that 73?
Shikha said:
1 decade ago
Aggregate: 7 27 73 87 100.
Why we are not directly take 87 and 100 value?
Because in table is already mansion "10 and above & 0 and above".
So according to them we should add these two values (100+87).
But they take 27 "Who is 30 and above"?
Can any one explain this question?
Why we are not directly take 87 and 100 value?
Because in table is already mansion "10 and above & 0 and above".
So according to them we should add these two values (100+87).
But they take 27 "Who is 30 and above"?
Can any one explain this question?
Atharva said:
10 years ago
I think 0 to 100 indicates the total number of students.
Then from that value deduct the 20 and above.
i.e 100-73 = 27.
Then from that value deduct the 20 and above.
i.e 100-73 = 27.
Sangamithra said:
9 years ago
Actually my doubt is:
To get number of students with marks less than 20 we can subtract students with 20 to 50 marks from 10 to 50 i.e, 87 - 73 = 14.
Why should we consider 100 - 73?
To get number of students with marks less than 20 we can subtract students with 20 to 50 marks from 10 to 50 i.e, 87 - 73 = 14.
Why should we consider 100 - 73?
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