Question

3. Write T for True and F for False.

(i) On a number line, every positive integer lies to the right of
every negative integer.
( )

(ii) The sum of two negative integers is a positive integer.
( )

(iii) The sum of three different integers can never be zero.( )

(iv) if b<a, then -a<-b.( )

(v) When a negative integer is added to another negative
integer its value decreases.( )

(vi) Absolute value of an integer is a whole number..( )

(vii) A fraction in which the numerator is greater than the
denominator is called an improper fraction.( )

(viii) The fractions having different numerators are said to be
unlike fractions. ( )

(ix) Every fraction can be represented by a point on a number
line.( )

(x) In fractions having same numerator the one with the smaller
denominator is greater.( )​

Answer 1

Answer:

1)T

2)F

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Answer 2

1. True
2. False
Ex: -3 and -5 are two negative integers whose sum is -8 which is also a negative integer.
3. False
Ex: 9, -6, -3 are the three different integers whose sum is 0.
4. True
Ex: a = 3, b = 1, b < a, -a = -3 and -b = -1 then -3 < -1 which implies -a < -b.
5. True
Ex: -3 and -5 are two negative integers which when added give -8. This shows that the values decreases when two negative numbers are added.
6. True
7. True
8. False
Fractions having different denominators are unlike fractions.
9. True
10. True