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Question
Yasmin of class VI was given a task to count the number of books which are biographies, in her school library. The information collected by her is represented as follows.
| Biographies | Number of books |
| Mathematicians |  |
| Scientists |  |
| Novelists |  |
| Sportspersons |  |
| Politicians |  |
Keys: 
Observe the pictograph and answer the following questions.
(i) Which title has the maximum number of biographies?
(ii) Which title has the minimum number of biographies?
(iii) Which title has exactly half the number of biographies as Novelists?
(iv) How many biographies are there on the title of Sportspersons?
(v) What is the total number of biographies in the library?
Solution
(i) The title Novelists have the maximum number of biographies.
(ii) The title Scientists have the minimum number of biographies.
(iii) Sportspersons title has exactly half the number of biographies as Novelist.
(iv) `(1 xx 20) + 20/4` = 20 + 5 = 25 biographies are there in the title sportsperson.
(v) 8 × 20 = 160 biographies are there in the library.
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