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
Answers
Answered by
1
Answer:
9th answer 4 is the answer
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