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1
Which of the following is not a composite number ?
4
6
7
8
2
Which of the following numbers is a natural number?
-2
-1
0
3
Out of the following, the irrational number is
Express 9.90 decimal in the form
5
The decimal equivalent of is ___________________
0.3
0.31
0.312
0.3125
On rationalizing the denominator of , we get
On rationalizing the denominator, we get
From the choices given below mark the co-prime numbers
2 and 3
2 and 4
2 and 6
2 and 10
9
If and the value of on simplifying is
0.645
0.643
0.655
0.755
10
The simplest rationalising factor of is
None of these
11
The square root of which number is rational :
1.46
0.04
13
12
On rationalzing the denominator, we get
14
The ratio of the circumference of a circle to the diameter of the circle is :
a rational numbers
a whole number
an integer
an irrational number
15
Which of the following numbers can be represented as non-termainating repeating decimals?
16
The value of is
17
If then the value of is
194
196
198
200
18
If is equal to
0.1718
5.8282
0.4142
2.4142
19
If upto three places of decimal is
0.235
0.707
1.414
0.471
20
The value of is :
-4
-18