The pictograph shows the books in a school library. How many books are there in the library altogether?
Class 6Data HandlingData Handling
A300
B320
C310
D15 1/2
Step-by-Step Solution
Total pictures =6+321+4+2=1521. Each stands for 20 books, so 1521×20=310 books.
Answer: C) 310
Key idea: From tally to frequency table
Once tallying is done, convert it to a clean **frequency table** with two columns: the **value** (or category) and the **frequency** (how many times it occurred). The frequencies should add up to the total number of items observed — a quick sanity check.
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