Class 9 Math: Number Systems Important Exam Questions

Preparing for school exams or final CBSE boards requires practicing questions patterned after official grading schemes. We have compiled a list of crucial questions for Class 9 Number Systems to help you test your mastery.

Exam-Pattern Questions and Answers

Question 1 (EASY)

• Option 1: 4
• Option 2: 16
• Option 3: 64
• Option 4: 256.25

Solution Explanation & Steps: (a) 4

Question 2 (EASY)

• Option 1: 2 21-
• Option 2: 5 21-
• Option 3: 2
• Option 4: 10 21-

Solution Explanation & Steps: (c) 2(5 21)- 2 2 2( 3 7) ( 3) ( 7) 2 3 7- = + - × × 3 7 2 21 10 2 21 2(5 21)= + - = - = -

Question 3 (EASY)

• Option 1: 3 9
• Option 2: 6
• Option 3: 9
• Option 4: none of these

Solution Explanation & Steps: (c) 9

Grading Step-Marking Guidelines

Remember that teachers award partial marks for writing down formulas, stating the given variables, and drawing diagrams. Never leave a question blank on an exam. Write down the relevant formulas and initial substitution steps to secure partial credits.