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CBSE Class 9 Mathematics Worksheet
Number Systems
If x = , then find the value of (x+14/x)
If x= & y=
, find the value of x2+y2+xy
Every rational number is integer
5Q. The decimal representation of a irrational no can be
Terminating
B)Non terminating recurring
C)Non terminating non recurring
If x= & y=
find the value of x2-y2
a
B)b
C)c
D)d
Simplify (√5-√2)(√5+√2)
Classify 1/√2 as a rational or irrational number
22/10 and 11/5 are not equivalent rational numbers
TRUE
B)FALSE
The number obtained on rationalising the denominator 1/(√7-2) is
Show 0.235 (Recurring on 35) in p/q
235/990
B)233/990
C)234/990
D)231/990
(-7+4√7-3√7) is
Simplify
a
B)b
C)c
D)d
How many factors 120 have?
12
B)8
C)16
D)none of these
2 Rational Numbers between 1 & 1.001 are 1.0001 & 1.0002
TRUE
B)FALSE
Every natural ,whole number and integer is rational number
The value of (√32+√48)/(√8+√12) is
99/99 is a NATURAL NUMBER
TRUE
B)FALSE
CBSE Class 9 Mathematics Worksheet
Number Systems
Answers
99
(-144)
3
(0.707106….) it is non terminating non recurring. It is an irrational number
0
Solution:
total factors of 120= 16
Solution:
When we simplyfy 99/99, we get 1, which is a Natural Number. Hence this statement iof "99/99 is a Natural Number" is True.
