Class-9,Number Systems

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Name of Student *

Contact No. *

Q1) From the choices given below mark the co-prime numbers *

1 point

2, 110

2, 6

2, 3

2, 4

Q2) The decimal representation of a rational number is *

1 point

either terminating or repeating

always terminating

always non-terminating

either terminating or non-repeating

Q3) The decimal representation of an irrational number is *

1 point

always non-terminating

neither terminating nor repeating

always terminating

either terminating or non-repeating

Q4) Between any two rational numbers there *

1 point

is no irrational number

are exactly two rational numbers

is no rational number

are many rational numbers

Q5) The product of two irrational numbers is *

1 point

always an integer

always irrational

always rational

either irrational or rational

Q6) The sum of two irrational numbers is *

1 point

either irrational or rational

always irrational

always rational

always an integer

Q7) The difference of two irrational numbers is *

1 point

either irrational or rational

always an integer

always rational

always irrational

Q8) Which of the following is an rational number? *

1 point

0.323223222322223…….

Option 2

Option 3

Option 4

Q9) *

1 point

4.472

0.04472

44.72

0.4472

Q10) *

1 point

625

125

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