# NCERT Mathematics Class 9 Exemplar Ch 1 Number Systems Part 2

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Q.8. A rational number between and is

(A)

(B)

(C)

(D)

Answer: C

Q.9. The value of 1.999... in the form p q , where p and q are integers and , is

(A)

(B)

(C) 2

(D)

Answer: C

Q.10. 2 + is equal to

(A) 2

(B) 6

(C) 3

(D) 4

Answer: C

Q.11. . × is equal to

(A) 6

(B) 5

(C)

(D) 10

Answer: B

Q.12. The number obtained on rationalising the denominator of is

(A)

(B)

(C)

(D)

Answer: A

Q.13. is equal to

(A) 1/2 (3– 2 )

(B) 1/3 + 2

(C) 3 – 2

(D) 3 + 2

Answer: D

Q.14. After rationalising the denominator of , we get the denominator as

(A) 13

(B) 19

(C) 5

(D) 35

Answer: B