JKBOSE Class 3rd Math Chapter 13 (Smart Charts!) complete textbook solutions, tally marks, pictographs, bar charts, and data interpretation exercises.
📖 JKBOSE Official Textbook Solutions (Math-Magic)
Class: 3rd
Subject: Mathematics
Chapter: 13 (Smart Charts!)
Session: 2026
Exercise Questions & Answers
Q1 What are Tally Marks and how are they drawn?
Answer: Tally marks are vertical tally lines used for quick counting. For numbers 1 to 4, vertical bars are drawn ($\mid, \mid\mid, \mid\mid\mid, \mid\mid\mid\mid$). For 5, a diagonal slash crosses the four lines. This groups data into sets of 5.
Q2 Vehicles Passing School Road Survey:
• Bicycles = 28, Cars = 12, Buses = 6, Auto-rickshaws = 18.
1. Which vehicle passed the road the most? Bicycles (28).
2. Which vehicle passed the fewest times? Buses (6).
3. Total number of vehicles = $28 + 12 + 6 + 18 =$ 64 vehicles.