7th Standard CBSE Syllabus & Materials
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CBSE 7th Social Science Theme D - The Constitution of India- An Introduction - New Sample Question Papers Study Material - QB365 Set A
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Published on: 31/10/2025
Download CBSE Class 7th Standard CBSE Mathematics question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 7th Standard CBSE Mathematics
Questions + Answers key
Take MCQ Mathematics Test
1.
100000000000 in standard form is
1 x 108
1 x 109
1 x 1010
1 x 1011
2.
1353000000 in standard form is
1.353 x 109
1.353 x 106
1.353 x 103
1.353 x 1012
3.
3430000 in standard form is
3.43 x 106
3.43 x 104
3.43 x 102
3.43 x 1010
4.
6000 in standard form is
6 x 103
6x106
6 x 104
6 x 105
5.
333 in standard form is
3.33 x 102
3.33 x 103
3.33 x 101
3.33 x 104
6.
(ab)m =
am bm
am b
abm
ab
7.
am \(\div\) bm =
am bm
\(\left( \frac { a }{ b } \right) ^{ m }\)
\( \frac { a }{ b } \)
1
8.
(-2a)3=
2a3
4a3
8a3
-8a3
9.
\({ 8 }^{ 2 }\div { 2 }^{ 4 }\)=
1
2
3
4
10.
\(\left( \frac { { a }^{ 4 } }{ { a }^{ 2 } } \right) \times { a }^{ 3 }\)=
a4
a5
a6
a8
11.
\(\frac { { 3 }^{ 8 } }{ { 3 }^{ 5 }\times { 3 }^{ 3 } } \)=
1
3
5
8
12.
(22 x 2)2=
23
24
25
26
13.
which of the following true?
20=(100)0
102 x 108 x1016
22 x 33 =65
23>32
14.
30 + 40 + 50=
1
2
3
none of these
15.
(20 + 30) x 40 =
1
3
4
5
16.
If the value of the expression x2 - 5x + k for x = 0 is 5, then the value of k is
2
3
4
5
17.
Find the value of the expression a3 + b3 + c3 - 3abc for a = 2, b = 3, c = 4
3
6
9
27
18.
Find the value of the expression 3p + 7 for p = - 2
1
- 1
2
- 2
19.
Find the value of the expression - x + 2 for x = -2
1
2
3
4
20.
Find the value of the expression z3 - 2(z - 10) for z = 10
10
100
1000
10000
21.
Find the value of the expression 3x + 5(x - 2) for x = 2
2
4
5
6
22.
Find the value of the expression a2 + ab + 1 for a = 0, b = 1
0
1
- 1
2
23.
Find the value of the expression a2 + b2 for a = 1, b = 0
1
0
2
4
24.
Find the value of the expression a2 - b2 for a = 2, b = 1
1
2
3
4
25.
Find the value of the expression a2 - 2ab + b2 for a = 1, b = 1
1
0
- 1
2
26.
Find the value of the expression a + b for a = 1, b = 2
1
2
3
4
27.
Find the value of the expression x2 + 2x + 1 for x = - 1
0
1
- 1
2
28.
Find the value of the expression 5n - 3 for n = - 1
5
- 3
- 8
8
29.
Find the value of the expression 100 - 10x3 for x = 0
10
- 10
100
- 100
30.
Find the value of the expression 4x - 3 for x = 1
4
- 3
3
1
1.
(d)
1 x 1011
2.
(a)
1.353 x 109
3.
(a)
3.43 x 106
4.
(a)
6 x 103
5.
(a)
3.33 x 102
6.
(a)
am bm
7.
(b)
\(\left( \frac { a }{ b } \right) ^{ m }\)
8.
(- 2a)3 = (- 2a) x (- 2a) x (- 2a) = - 8a3
9.
\({ 8 }^{ 2 }\div { 2 }^{ 4 }=\frac { (2\times 2\times 2)^{ 2 } }{ { 2 }^{ 4 } } =\frac { \left( { 2 }^{ 3 } \right) ^{ 2 } }{ { 2 }^{ 4 } } \)
10.
\(\left( \frac { { a }^{ 4 } }{ { a }^{ 2 } } \right) \times { a }^{ 3 }\)=a4-2 x a3 =a2 x a3
11.
\(\frac { { 3 }^{ 8 } }{ { 3 }^{ 5 }\times { 3 }^{ 3 } } \)=\(\frac { { 3 }^{ 8 } }{ { 3 }^{ 5+3 } } \)=\(\frac { { 3 }^{ 8 } }{ { 3 }^{ 8 } } \)=1
12.
(22 x 2)2 = (22 + 1)2 = (23)2 = 23 x 2 = 26
13.
20 = (100)0 = 1
14.
30 + 40 + 50 = 1 + 1 + 1 = 3
15.
(20 + 30) x 40= (1 + 1) x 1 = 2
16.
(d)
5
17.
(d)
27
18.
(a)
1
19.
(d)
4
20.
(c)
1000
21.
(d)
6
22.
(b)
1
23.
(a)
1
24.
(c)
3
25.
(b)
0
26.
(c)
3
27.
(a)
0
28.
(c)
- 8
29.
(c)
100
30.
(d)
1
7th Standard CBSE Syllabus & Materials
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