Which of the following is not irrational?
√2
√3
√4
√5
Which of the following is the largest number?
2√6
3√3
4√2
2√11
7√3 × 8√3 =
56√3
168
45
18
Divide
1/2
3/2
2/3
1/3
√2 is a/an
natural number
rational number
irrational number
none of these
What is the total length of the line shown below
10cm
18 cm
5.656 cm
15cm
(2 + √5)2 =
10 + √5
9 + 4√5
9 - 4√5
20
Which of the following cube root is not irrational?
A, B, C are three points such that AB = √50 cm, BC = √98 cm, AC = √288 cm. Then they are the points on
Triangle
Square
Parallelogram
Straight line
(√3 + √5)3 =
18√3 + 14√5
14√3 + 18√5
18√5 + 14√3
None of these
