1) The collection of negative numbers and whole numbers is denoted by ______. *
1 point
Q
W
Z or I
N
2) π is _______________. *
1 point
a natural number
an irrational number
a rational number
none of the above
3) If 'x' is an irrational number, then x + 2 is a/an ___________ number. *
1 point
natural
rational
irrational
can't be determined
4) Numbers which cannot be expressed in p/q form are ____________ numbers. *
1 point
irrational
rational
whole
natural
5) The combination of Q and S gives the set of ___________. *
1 point
natural numbers
integers
whole numbers
real numbers
6) -2/3 lies on ______ on the number line. *
1 point
right side of zero
left side of zero
zero
can't be determined
7) The decimal form of 1/18 is ______. *
1 point
0.0555...
0.050505....
0.5555....
0.06
8) The decimal value of 1/8 is _______. *
1 point
0.5
0.25
0.125
1.125
9) Which of the following statements is false? *
1 point
Every rational number is a natural number.
Every rational number is a whole number.
Every rational number is an integer.
Every integer is a rational number.
10) Which of the following statements is true? *
1 point
Product of two irrational numbers is always irrational.
Product of a rational and an irrational number is always irrational.
Sum of two irrational numbers can never be irrational.
Sum of an integer and a rational number can never be an integer.
11) 0.333....... = ________. *
1 point
3/8
2/9
3/7
1/3
12) A rational between 5 and 6 is _______. *
1 point
9/2
10/2
11/2
12/2
13) The decimal value of 22/7 is ________. *
1 point
3.421
3.142
3.412
3.124
14) If 'x' is an irrational number then x - 3 is a/an __________ number. *
1 point
rational
natural
irrational
complex
15) Decimal representation of 1/5 is ________. *
1 point
0.2
0.5
0.02
0.002
16) Match column I with column II *
1 point
Captionless Image
(i) - a, (ii) - e, (iii) - b, (iv) - d, (v) - c
(i) - c, (ii) - e, (iii) - b, (iv) - d, (v) - a
(i) - c, (ii) - e, (iii) - a, (iv) - b, (v) - d
(i) - b, (ii) - e, (iii) - a, (iv) - d, (v) - c
Answers
1) The collection of negative numbers and whole numbers is denoted by ______.
Answer :-
→ Negative numbers + whole numbers = Negative numbers + positive numbers = Integers = Denoted by Z .
2) π is _______________.
Answer :-
- π is an irrational number .
3) If 'x' is an irrational number, then x + 2 is a/an ___________ number.
Answer :-
- Irrational + Rational = Irrational .
so,
→ x + 2 = Irrational + Rational = Irrational .
4) Numbers which cannot be expressed in p/q form are ____________ numbers. *
Answer :-
- Irrational numbers are the numbers which cannot be expressed in p/q form .
6) -2/3 lies on ______ on the number line. *
Answer :-
- Negative numbers are on the left side of the number line .
- So, (-2/3) lies on the left side on the number line .
7) The decimal form of 1/18 is ______.
Answer :-
→ 1/18
→ 1.00000/18
→ 0.05555___
8) The decimal value of 1/8 is _______. *
Answer :-
→ 1/8
→ 1.0000/8
→ 0.125
9) Which of the following statements is false ?
Answer :-
→ Every rational number is a natural number = False .
→ Every rational number is a whole number = False .
→ Every rational number is an integer = False .
Example :- 1/5, 2/3 , 8/9 are rational numbers but not integers , natural numbers or whole numbers .
Every integer is a rational number and Every rational number is a real number.
10) Which of the following statements is true ?
Answer :-
→ Product of two irrational numbers is always irrational = False . { √2 * √32 = √64 = 8 = Rational. }
→ Product of a rational and an irrational number is always irrational = True .
→ Sum of two irrational numbers can never be irrational = False .{ √2 + √5 = (√2 + √5) is an irrational number. }
→ Sum of an integer and a rational number can never be an integer = False { Since every integer is a rational number . Ex. 5 + 7 = 12 => an integer. }
Learn more :-
prove that √2-√5 is an irrational number
https://brainly.in/question/37780143
Step-by-step explanation:
1) The collection of negative numbers and
whole numbers is denoted by
Answer :
→ Negative numbers + whole numbers =
Negative numbers + positive numbers = Integers Denoted by Z.
2) mis
Answer:
• TT is an irrational number.
3) If 'x' is an irrational number, then x + 2 is a/an number.
Answer :
. Irrational + Rational = Irrational.
+ x + 2 = Irrational + Rational Irrational,
4) Numbers which cannot be expressed in p/q
form are
numbers. "
Answer :
. Irrational numbers are the numbers which cannot be expressed in p/q form.
6) -2/3 lies on
on the number line..
Answer:
• Negative numbers are on the left side of the number line. . So, (-2/3) lies on the left side on the number line.
7) The decimal form of 1/18 is
Answer:
+ 1/18
➡ 1.00000/18
+0.05555
8) The decimal value of 1/8 is
Answer :
+ 1/8
1.0000/8
- 0.125
9) Which of the following statements is false?
Answer :
→ Every rational number is a natural number =
False.
➡ Every rational number is a whole number = False.
➡ Every rational number is an integer = False.
Example :- 1/5, 2/3, 8/9 are rational numbers but not integers, natural numbers or whole numbers.
Every integer is a rational number and Every rational number is a real number.
10) Which of the following statements is true?
Answer:
➡ Product of two irrational numbers is always
irrational False. [2√32 = √64=8 = Rational.}
➡ Product of a rational and an irrational number
is always irrational = True.
→ Sum of two irrational numbers can never be irrational = False (√2 + √5=(√2 + √5) is an irrational number.]
→ Sum of an integer and a rational number can never be an integer = False {Since every integer is a rational number. Ex. 5+7= 12 =>
an integer.}