10 graphs-and-coordinate-geometry-l2 बहुविकल्पीय प्रश्नों का अभ्यास करें, विस्तृत उत्तर और व्याख्या सहित। RAS/RPSC परीक्षा की तैयारी के लिए आदर्श।
Q1. Match List I with List II: Bar graph, Pie chart, Ordered pair, Origin.
Explanation
Bar graphs show categories, pie charts show parts of a whole, an ordered pair fixes a point's location, and the origin is the point (0, 0); option A keeps each pairing correct.
Q2. Assertion: A line graph is useful for showing temperature during a day. Reason: It can show change over a continuous time scale.
Explanation
Temperature varies continuously over the day, so connected points on a line graph display the trend; the reason therefore explains the assertion.
Q3. Which point lies on the y-axis?
Explanation
Every point on the y-axis has an x-coordinate of 0, so only (0, 4) lies on the y-axis; (2,0) and (4,0) sit on the x-axis.
Q4. Imran sees one square on the y-axis marked as 2 units. A bar reaches the fifth square. What value should he read?
Explanation
Reading a graph requires applying the scale: five squares each worth 2 units give 5 × 2 = 10 units, not simply the square count.
Q5. Asha plots (2, 5) at the place meant for (5, 2). What should the teacher correct first?
Explanation
An ordered pair always reads the x-coordinate first and the y-coordinate second, so (2, 5) and (5, 2) are different points; the order is what must be corrected.
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Q6. Which item is printed in the verified RBSE Level 2 mathematics syllabus?
Q7. Statements: I. A bar graph compares separate categories. II. A histogram usually has adjacent bars for intervals. Choose the correct option.
Q8. Assertion: Devika can direct a floor-grid activity even if she cannot move quickly across the grid. Reason: Inclusive access may change the role while keeping the same mathematical idea.
Q9. Statements: I. A graph can show association. II. A graph always proves the cause of the association.
Q10. Match the graph type with the best classroom data: line graph, bar graph, histogram, circular graph.
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