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प्रश्न
A survey was carried out in a certain school to find out the popular school subjects among students of Classes VI to VIII.
The data in this regard is displayed as pictograph given below:
| Subject | Number of Students  = 50 students |
| Hindi |  |
| English |  |
| Mathematics |  |
| Science |  |
| Social Studies |  |
- Which subject is most popular among the students?
- How many students like Mathematics?
- Find the number of students who like subjects other than Mathematics and Science.
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उत्तर
| Subject | Number of students |
| Hindi | 4 × 50 = 200 |
| English | 3 × 50 = 150 |
| Mathematics | 3 × 50 + 25 = 175 |
| Science | 2 × 50 = 100 |
| Social Studies | 1 × 50 + 25 = 75 |
| Total | 700 |
- Hindi is the most popular subject among the students.
- 175 students like Mathematics.
- Total 200 + 150 + 75 = 425 students are there who like subjects other than Mathematics and Science.
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| Tuesday |            |
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| Thursday |       |
| Friday |      |
| Saturday |         |
Scale: 
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| Hindi |       |
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| Subject | Number of books |
| Hindi | |
| English | |
| Math | |
| Science | |
| History | |
Taking symbol of one book = 50 books, find:
How many Science books are there in the library?
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