<
>
=
None
The lowest rationalising factor of 5√2 is _______.
5√2
5
2
√2
If a and b are two positive numbers such that ab is not a perfect square then an irrational number between a and b is ______.
(a+b)/2
ab
√(a+b)
√ab
125 = _____________
53
54
55
None of these
(-3)4 ÷ (-3)2 = 3n Then the value of n is
One rational number between 3 and 4 is ______.
12
7
7/2
1/2
√5 + √5 = _______.
√10
√5
2√5
For any rational number a, ao =
0
1
a
( √3 - √2 )2 is a /an _____ number.
Rational
Irrational
Real
Rationalise the denominator of
3 + 2√2
1 +2√2
3 - 2√2
1 - 2√2
