EduSahara™ Assignment
Name : Properties of Integers
Chapter : Integers
Grade : CBSE Grade VII
License : Non Commercial Use
Question 1
1.
Which of the following are true?
a)
16
2
=
2
16
b)
12
+
16
=
16
+
12
c)
19
12
=
12
19
d)
2
÷
19
=
19
÷
2
  • (i)
    {b,c}
  • (ii)
    {a,b}
  • (iii)
    {d,c}
  • (iv)
    {a,d,b}
  • (v)
    {a,c,b}
Question 2
2.
Which of the following are true?
a)
4
(
11
10
)
=
(
4
11
)
10
b)
10
(
7
4
)
=
(
10
7
)
4
c)
7
+
(
4
+
11
)
=
(
7
+
4
)
+
11
d)
11
÷
(
10
÷
7
)
=
(
11
÷
10
)
÷
7
  • (i)
    {a,b}
  • (ii)
    {d,c}
  • (iii)
    {a,c,b}
  • (iv)
    {b,c}
  • (v)
    {a,d,b}
Question 3
3.
Which of the following are true?
a)
16
÷
(
18
+
12
)
=
(
16
÷
18
)
+
(
16
÷
12
)
b)
18
(
12
+
10
)
=
(
18
12
)
+
(
18
10
)
c)
10
(
16
18
)
=
(
10
16
)
(
10
18
)
d)
12
(
10
16
)
=
(
12
10
)
(
12
16
)
  • (i)
    {a,b}
  • (ii)
    {a,c,b}
  • (iii)
    {a,d,b}
  • (iv)
    {c,d}
  • (v)
    {b,d}
Question 4
4.
Which of the following are true?
a)
3
14
=
14
3
b)
14
÷
15
=
15
÷
14
c)
15
2
=
2
15
d)
2
+
3
=
3
+
2
  • (i)
    {a,b,c}
  • (ii)
    {a,d,c}
  • (iii)
    {c,d}
  • (iv)
    {a,c}
  • (v)
    {b,d}
Question 5
5.
Which of the following are true?
a)
18
÷
(
17
÷
19
)
=
(
18
÷
17
)
÷
19
b)
5
(
18
17
)
=
(
5
18
)
17
c)
19
+
(
5
+
18
)
=
(
19
+
5
)
+
18
d)
17
(
19
5
)
=
(
17
19
)
5
  • (i)
    {a,d,c}
  • (ii)
    {a,c}
  • (iii)
    {b,d}
  • (iv)
    {c,d}
  • (v)
    {a,b,c}
Question 6
6.
Which of the following are true?
a)
5
(
6
9
)
=
(
5
6
)
(
5
9
)
b)
8
(
5
6
)
=
(
8
5
)
(
8
6
)
c)
6
÷
(
9
+
8
)
=
(
6
÷
9
)
+
(
6
÷
8
)
d)
9
(
8
+
5
)
=
(
9
8
)
+
(
9
5
)
  • (i)
    {c,d}
  • (ii)
    {a,d,b}
  • (iii)
    {a,c,b}
  • (iv)
    {a,b}
  • (v)
    {b,d}
Question 7
7.
Which of the following are true?
a)
integers are closed under multiplication
b)
integers are closed under addition
c)
integers are closed under subtraction
d)
integers are closed under division
  • (i)
    {d,b}
  • (ii)
    {d,a,b}
  • (iii)
    {a,b,c}
  • (iv)
    {d,c}
  • (v)
    {d,a}
    Assignment Key

  •  1) (i)
  •  2) (iv)
  •  3) (v)
  •  4) (iii)
  •  5) (iv)
  •  6) (v)
  •  7) (iii)