1.) Can we write 0 in the form of p/q?
a. Yes. b. No
c. Cannot be explained. d. None of the above
2.) The three rational numbers between 3 and 4 are:
a. 5/2, 6/2, 7/2. b. 13/4, 14/4, 15/4
c. 12/7, 13/7, 14/7. d.11/4, 12/4, 13/4
3.) In between any two numbers, there are:
a. Only one rational number. b. Many rational numbers
c. Infinite rational numbers. d. No rational number
4.) Every rational number is:
a. Whole number. b. Natural number
c. Integer. d. Real number
5.) √9 is a __________ number.
a. Rational. b. Irrational
c. Neither ratio
nal nor irrational d. None of the above
6.) Which of the following is an irrational number?
a. √16 b. √(12/3)
c. √12 d. √100
7.) 3√6 + 4√6 is equal to:
a. 6√6 b. 7√6
c. 4√12 d. 7√12
8.) √6 x √27 is equal to:
a. 9√2 b. 3√3
c. 2√2 d. 9√3
9.) Which of the following is equal to x^3.(Sign ^ represent power)
a. x^6– x^3 b. x^6.x^3
c. x.^6/x^3 d. (x^6)^3
10.) Which of the following is an irrational number?
a. √23 b. √225
c. 0.3796 d. 7.478478
11.)The decimal expansion of an irrational number may be:
a.Terminating b. Recurring
c. Either terminating or non- terminating d. Non-terminating and non-recurring
12.) Which of the following is irrational?
a. √4/9 b. √12/√3
c. √5 . d. √81
13.) A rational number equivalent to is
a. 15/17 b. 25/27
c. 10/14. d. 10/27
14.) An example of a whole number is
a. 0 b. -1/2
c. 11/5. d. -7
15.)If the decimal representation of a number is non-terminating, non-repeating then the number is
a. a natural number b. a rational number
c. a whole number d.an irrational number
16.)The square root of which number is rational
a. 7 b. 1.96
c. 0.04 d.13
17.) On dividing 6√27 by 2√3 we get-
a. 3√9. b. 6
c. 9. d. None of these
18.). (16)^3/4 is equal to
a.2 b.4
c. 8 d.16
19.) On simplifying 8^3 × 2^4, we get
a. 16^7 b.2^13
c. 2^10 d. 8^4
20.)The number is (3-√3)(3+√3) is
a. an irrational number b.a rational number
c. not a natural number d. none of these
Fill Ups:-
1.The value of 3√3+√3 is............
2.The p/q form of 0.8 is......
3.√8 is an........... number.
4. Every integer is a........... number.
5.(√7+√6)(√7-√6)=..............
Short Questions :-
1. Find two rational numbers between 0.1 and 0.3
2. Express 0.245245245..... in p/q form.
3. Simplify : (4+√3)(4-√3)
4. Rationalise the denominator of 1/(√3-√2)
5. Add 2√2+ 5√3 and √2 – 3√3.
Chapter-2.Polynomials
(Note:- For power we use symbol. ^)
Multiple Choice Questions :-
1. Zero of the polynomial p(x) = 2x + 3 is:-
(a) -3 (b) 0 (c) 3 (d) - 3
2. A cubic polynomial has:-
(a)
(a) 0 (b) 1 (c) 4 √2 (d) 8 √2 + 1
Answers
Answered by
27
Answer:
MCQs
1. yes we can write (0/2,0/7)
2. b
3.c
4.a
5.a
6.c
7.b
8.a
9.c
10.a
11.d
12.b
13.a
14.a
15.d
16.c
17.d
18.c
19.b
20.b
Fill Ups:-
1. 4√3
2. 4/5
3. irrational number (√8 = 2√2 and √2 is an irrational number)
4. rational number
5. -29
Short Questions :-
1. .2 and .15 are the two rational number between .0.1 and 0.3
2. 245/999
3. 13
4. √3+√2
5. 3√2+2√3
MCQ (from ch polynomials) :-
1. For myself there is a typing error in this question as if take f(x) = 2x+3 =0
=> 2x = -3
=> x= -3/2
and this option is not given
2. And this question is also not complete but you can send me later these questions and I am there to help you
*(most important thing ).....
If you got my answers correct please rate 5 stars
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