Question : Refer to the data table and answer the following question.
| Marks | Number of students |
| 40 and above | 25 |
| 30 and above | 44 |
| 20 and above | 56 |
| 10 and above | 86 |
| 0 and above | 100 |
How many students have scored marks 20 or more but less than 40?
Option 1: 31
Option 2: 56
Option 3: 44
Option 4: 100
Correct Answer: 31
Solution :
The number of students with a score of at least 40 = 25
The number of students with a 20 or higher score = 56
The number of students who received a score of 20 or higher but below 40 = 56 – 25 = 31
Hence, the correct answer is 31.
Related Questions
Question : Refer to the following data table and answer the question.
| Division /Standard | Boys | Girls |
| A/5 | 20 | 30 |
| B/5 | 15 | 20 |
| C/5 | 30 | 10 |
| A/6 | 30 | 25 |
| B/6 | 30 | 25 |
| C/6 | 30 | 20 |
What is the ratio of number of the boys to girls?
Option 1: 26 : 31
Option 2: 31 : 26
Option 3: 33 : 28
Option 4: 28 : 33
Question : Refer to the data table and answer the following question.
| Subjects | Marks Scored |
| English | 70 |
| Hindi | 55 |
| Math | 70 |
| Science | 55 |
| Arts | 55 |
Five points are to be deducted from this student's average marks scored because of poor attendance. What will be this student's net average marks scored?
Option 1: 56
Option 2: 51
Option 3: 46
Option 4: 61
Question : Calculate the mean from the following table.
| Scores | Frequencies |
| 0-10 | 2 |
| 10-20 | 4 |
| 20-30 | 12 |
| 30-40 | 21 |
| 40-50 | 6 |
| 50-60 | 3 |
| 60-70 | 2 |
Option 1: 34.2
Option 2: 33.4
Option 3: 32.6
Option 4: 35.8
Question : The following table shows the marks distribution among the students in a class.
| Marks | No.of Students |
| Less than 10 | 2 |
| Less than 20 | 5 |
| Less than 30 | 6 |
| Less than 40 | 8 |
| Less than 50 | 10 |
How many students scored marks between 20 and 30?
Option 1: 2
Option 2: 5
Option 3: 1
Option 4: 6
Question : Refer to the following data table and answer the question.
| Quantity of stock | Average cost (Rs.) | |
| Mobile phones | 44 | 12,000 |
| Cameras | 75 | 14,000 |
| TVs | 55 | 56,000 |
| Refrigerators | 29 | 53,000 |
| AC's | 77 | 26,000 |
What is the value of the total stock (in lakh rupees)?
Option 1: 81.97
Option 2: 819.7
Option 3: 161
Option 4: 280
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