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1
A rational number can be expressed as a terminating decimal if the denominator has factors ______________________
2 or 5
2,3 or 5
3 or 5
None of these
2
Which one of the following is a rational number ?
0
3
On rationalzing the denominator, we get
4
To rationalize the denorminator of , we multiply this by
5
On rationalizing the denominator of , we get
7
6
Convert in decimal form is :
4.125
Choose the wrong statement:
There is no largest natural number
There is no largest whole number
Every natural number is a whole number
All natural number together with zero are called integers
8
Express 0.750 decimal in the form
9
If then.
a = 2 , b = 1
a = 2 , b = - 1
a = - 2 , b = 1
a = 1 , b = 1
10
The value is
11
Which of the following fractions will you get on rationalizing the denominator of ?
12
If , then equals
13
in decimal form is :
14
If n is a natural number then is
always a natural number
always an irrational number
Sometimes a natural number and sometimes an irrational number
15
If a=2+ and b=2- then is equal to
-14
-8
16
can be re written as
17
Select the correct decimal representation of the fraction
0.56
0.056
0.0056
18
If p: All integers are rational numbers and
q: Every rational number is an integer,then which of the following statement is correct?
p is false and q is true
P is true and q is false
Both p and q are true
Both p and q are false
19
If upto three places of decimal is
0.235
0.707
1.414
0.471
20
The value of is :
-4
-18