Class 9 Maths: Number Systems Worksheet
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Q1 · MCQ · 1 mark
Which of the following is an irrational number?
Q2 · MCQ · 1 mark
Between any two rational numbers, there exist:
Q3 · MCQ · 1 mark
The decimal expansion of 1/7 is:
Q4 · MCQ · 1 mark
What is (√5 - √2)(√5 + √2) equal to?
Q5 · MCQ · 1 mark
If x^(1/2) = 4, what is the value of x?
Q6 · FILL · 1 mark
Every real number is either a rational number or an ____ number.
Q7 · FILL · 1 mark
The product of a non-zero rational number and an irrational number is always an ____ number.
Q8 · FILL · 1 mark
The value of 2³ × 2⁻² is ____.
Q9 · SHORT · 2 marks
Express 0.6 (where 6 is repeating) in the form p/q, where p and q are integers and q ≠ 0.
Q10 · SHORT · 2 marks
Simplify: (3 + √3)(3 − √3)