Question

Which one of the following has a terminating decimal expansion?

a] 5

64

b] 8

9

c] 14

15

d] 1

12

2. An irrational number between 2 and 2.5 is

a] √11 b] √5 c] √2.5 d] √8

3. If √80=K√5, then K=________.

a] 2 b] 4 c] 8 d] 16

4. The length and breadth of a rectangular plot are 5× 105

and 4× 104 meters respectively.

Its area is_______.

a] 9 × 1012

b] 9 × 1092

c] 2 × 10102 d] 20 × 10202

5. When (2√5-√2)

2

is simplified, we get

a] 4√5 + 2√2 b] 22 − 4√10 c] 8 − 4√10 d] 2√10 − 2

6. What is the order of √99 5

?

a] 5 b] 99 c] 2 d] √

7. Which one of the following is false?

a] The square root of 9 is 3 or -3 b] √9=3

c] -√9= -3 d] √9 = ± 3

8. If a, b are two rational number and a>b, then which of the following is correct?

a] +

2

>a b] >

+

2

c] a=

+

2

=b d] >

+

2

>

9. Degree of the polynomial (

3

-2) (

3 +1) is

a] 9 b] 2 c] 3 d] 6

10. Cubic polynomial may have maximum of_______ linear factors.

a] 1 b] 2 c] 3 d] 4​

Answer 1

Answer:

9th answer 4 is the answer