Page 1
CBSE VII | Mathematics
Sample Paper 1 – Solution
CBSE Board
Class VII Mathematics
Term II
Sample Paper 1 – Solution
Time: 2 ½ hours Total Marks: 80
Section A
1. Correct answer: B
Discount = 40% on Rs 7000 = ??
4
7000 Rs 2800
100
Therefore, SP = Rs (7000 - 2800) = Rs 4200.
2. Correct answer: A
Since the numerators are equal, so the rational number with the least denominator
is the greatest.
3. Correct answer: B
Measure of one side.
4. Correct answer: C
5. Correct answer: A
a ? a ? a ? a ? y ? y ? y ? y ? z ? z = a
4
y
4
z
2
6. Correct answer: C
Number of lines of symmetry of a regular polygon is equal to its number of sides.
Since, regular heptagon has 7 sides, it has 7 lines of symmetry.
Page 2
CBSE VII | Mathematics
Sample Paper 1 – Solution
CBSE Board
Class VII Mathematics
Term II
Sample Paper 1 – Solution
Time: 2 ½ hours Total Marks: 80
Section A
1. Correct answer: B
Discount = 40% on Rs 7000 = ??
4
7000 Rs 2800
100
Therefore, SP = Rs (7000 - 2800) = Rs 4200.
2. Correct answer: A
Since the numerators are equal, so the rational number with the least denominator
is the greatest.
3. Correct answer: B
Measure of one side.
4. Correct answer: C
5. Correct answer: A
a ? a ? a ? a ? y ? y ? y ? y ? z ? z = a
4
y
4
z
2
6. Correct answer: C
Number of lines of symmetry of a regular polygon is equal to its number of sides.
Since, regular heptagon has 7 sides, it has 7 lines of symmetry.
CBSE VII | Mathematics
Sample Paper 1 – Solution
7. Correct answer: B
A number is chosen from numbers 1 to 5.
Odd numbers are 1, 3 and 5.
Required probability= ?
Number of ways to choose an odd number 3
Total number of numbers 5
8. Correct answer: A
A regular hexagon has 1 centre of rotation.
9. Correct answer: C
10. Correct answer: B
Substituting the value of x in the given expression, we get:
7 × (-2)
2
-5 × (-2) + k = -4
28 + 10 + k = -4
38 + k = -4
Thus, k = -42
11. Correct answer: D
Since, the angle measuring 150
o
and y are corresponding angles. Therefore, y = 150
o
.
(As the lines are parallel, corresponding angles are equal)
12. Correct answer: C
-5 + 9 + (-5) + (-10) + (1)
-5 + 9 = 4
4 + (-5) = -1
-1 + (-10) = -1 - 10 = -11
-11 + 1 = -10
So, -5 + 9 + (-5) + (-10) + (1) = -10
Page 3
CBSE VII | Mathematics
Sample Paper 1 – Solution
CBSE Board
Class VII Mathematics
Term II
Sample Paper 1 – Solution
Time: 2 ½ hours Total Marks: 80
Section A
1. Correct answer: B
Discount = 40% on Rs 7000 = ??
4
7000 Rs 2800
100
Therefore, SP = Rs (7000 - 2800) = Rs 4200.
2. Correct answer: A
Since the numerators are equal, so the rational number with the least denominator
is the greatest.
3. Correct answer: B
Measure of one side.
4. Correct answer: C
5. Correct answer: A
a ? a ? a ? a ? y ? y ? y ? y ? z ? z = a
4
y
4
z
2
6. Correct answer: C
Number of lines of symmetry of a regular polygon is equal to its number of sides.
Since, regular heptagon has 7 sides, it has 7 lines of symmetry.
CBSE VII | Mathematics
Sample Paper 1 – Solution
7. Correct answer: B
A number is chosen from numbers 1 to 5.
Odd numbers are 1, 3 and 5.
Required probability= ?
Number of ways to choose an odd number 3
Total number of numbers 5
8. Correct answer: A
A regular hexagon has 1 centre of rotation.
9. Correct answer: C
10. Correct answer: B
Substituting the value of x in the given expression, we get:
7 × (-2)
2
-5 × (-2) + k = -4
28 + 10 + k = -4
38 + k = -4
Thus, k = -42
11. Correct answer: D
Since, the angle measuring 150
o
and y are corresponding angles. Therefore, y = 150
o
.
(As the lines are parallel, corresponding angles are equal)
12. Correct answer: C
-5 + 9 + (-5) + (-10) + (1)
-5 + 9 = 4
4 + (-5) = -1
-1 + (-10) = -1 - 10 = -11
-11 + 1 = -10
So, -5 + 9 + (-5) + (-10) + (1) = -10
CBSE VII | Mathematics
Sample Paper 1 – Solution
Section B
13.
2x-1 x+2
=
32
Multiply both sides by 6 (L.C.M of 3 and 2)
2 (2x -1) = 3 (x + 2)
4x - 2 = 3x + 6
Transpose 3x to L.H.S and -2 to R.H.S
4x -3x = 6 + 2
x = 8
14. Decrease in consumption = 10 - 8 = 2 kg
Therefore,
= ??
2
100 20
10
%
15. The rational form of the given decimals are:
The rational numbers obtained above can be represented as follows:
16. Area of the triangle ABC = 48 m
2
Height, CD = 12 m
Area =
1
2
x base x height
48 =
1
2
x AB x 12
6 x AB = 48
AB = 8 m
Thus, base AB = 8 m
Page 4
CBSE VII | Mathematics
Sample Paper 1 – Solution
CBSE Board
Class VII Mathematics
Term II
Sample Paper 1 – Solution
Time: 2 ½ hours Total Marks: 80
Section A
1. Correct answer: B
Discount = 40% on Rs 7000 = ??
4
7000 Rs 2800
100
Therefore, SP = Rs (7000 - 2800) = Rs 4200.
2. Correct answer: A
Since the numerators are equal, so the rational number with the least denominator
is the greatest.
3. Correct answer: B
Measure of one side.
4. Correct answer: C
5. Correct answer: A
a ? a ? a ? a ? y ? y ? y ? y ? z ? z = a
4
y
4
z
2
6. Correct answer: C
Number of lines of symmetry of a regular polygon is equal to its number of sides.
Since, regular heptagon has 7 sides, it has 7 lines of symmetry.
CBSE VII | Mathematics
Sample Paper 1 – Solution
7. Correct answer: B
A number is chosen from numbers 1 to 5.
Odd numbers are 1, 3 and 5.
Required probability= ?
Number of ways to choose an odd number 3
Total number of numbers 5
8. Correct answer: A
A regular hexagon has 1 centre of rotation.
9. Correct answer: C
10. Correct answer: B
Substituting the value of x in the given expression, we get:
7 × (-2)
2
-5 × (-2) + k = -4
28 + 10 + k = -4
38 + k = -4
Thus, k = -42
11. Correct answer: D
Since, the angle measuring 150
o
and y are corresponding angles. Therefore, y = 150
o
.
(As the lines are parallel, corresponding angles are equal)
12. Correct answer: C
-5 + 9 + (-5) + (-10) + (1)
-5 + 9 = 4
4 + (-5) = -1
-1 + (-10) = -1 - 10 = -11
-11 + 1 = -10
So, -5 + 9 + (-5) + (-10) + (1) = -10
CBSE VII | Mathematics
Sample Paper 1 – Solution
Section B
13.
2x-1 x+2
=
32
Multiply both sides by 6 (L.C.M of 3 and 2)
2 (2x -1) = 3 (x + 2)
4x - 2 = 3x + 6
Transpose 3x to L.H.S and -2 to R.H.S
4x -3x = 6 + 2
x = 8
14. Decrease in consumption = 10 - 8 = 2 kg
Therefore,
= ??
2
100 20
10
%
15. The rational form of the given decimals are:
The rational numbers obtained above can be represented as follows:
16. Area of the triangle ABC = 48 m
2
Height, CD = 12 m
Area =
1
2
x base x height
48 =
1
2
x AB x 12
6 x AB = 48
AB = 8 m
Thus, base AB = 8 m
CBSE VII | Mathematics
Sample Paper 1 – Solution
17. Consider:
3(a + b) - 2(2a - b) + 4a - 7
= 3a + 3b - 4a + 2b + 4a - 7
= (3a - 4a + 4a) + (2b + 3b) - 7
= 3a + 5b - 7
18. We have,
Since bases are equal, powers are also equal.
19. The alphabet is H
It has 2 lines of symmetry as shown below:
After rotating the letter H through 180
o
, we find that the image remains same. So the
order of rotational symmetry is 2.
20. Number of cubes in the first layer = 5 x 5 = 25
Number of cubes in the second layer = 13 + 4 = 17
Number of cubes in third layer = 4
Hence, total number of cubes = 25 + 17 + 4 = 46
Page 5
CBSE VII | Mathematics
Sample Paper 1 – Solution
CBSE Board
Class VII Mathematics
Term II
Sample Paper 1 – Solution
Time: 2 ½ hours Total Marks: 80
Section A
1. Correct answer: B
Discount = 40% on Rs 7000 = ??
4
7000 Rs 2800
100
Therefore, SP = Rs (7000 - 2800) = Rs 4200.
2. Correct answer: A
Since the numerators are equal, so the rational number with the least denominator
is the greatest.
3. Correct answer: B
Measure of one side.
4. Correct answer: C
5. Correct answer: A
a ? a ? a ? a ? y ? y ? y ? y ? z ? z = a
4
y
4
z
2
6. Correct answer: C
Number of lines of symmetry of a regular polygon is equal to its number of sides.
Since, regular heptagon has 7 sides, it has 7 lines of symmetry.
CBSE VII | Mathematics
Sample Paper 1 – Solution
7. Correct answer: B
A number is chosen from numbers 1 to 5.
Odd numbers are 1, 3 and 5.
Required probability= ?
Number of ways to choose an odd number 3
Total number of numbers 5
8. Correct answer: A
A regular hexagon has 1 centre of rotation.
9. Correct answer: C
10. Correct answer: B
Substituting the value of x in the given expression, we get:
7 × (-2)
2
-5 × (-2) + k = -4
28 + 10 + k = -4
38 + k = -4
Thus, k = -42
11. Correct answer: D
Since, the angle measuring 150
o
and y are corresponding angles. Therefore, y = 150
o
.
(As the lines are parallel, corresponding angles are equal)
12. Correct answer: C
-5 + 9 + (-5) + (-10) + (1)
-5 + 9 = 4
4 + (-5) = -1
-1 + (-10) = -1 - 10 = -11
-11 + 1 = -10
So, -5 + 9 + (-5) + (-10) + (1) = -10
CBSE VII | Mathematics
Sample Paper 1 – Solution
Section B
13.
2x-1 x+2
=
32
Multiply both sides by 6 (L.C.M of 3 and 2)
2 (2x -1) = 3 (x + 2)
4x - 2 = 3x + 6
Transpose 3x to L.H.S and -2 to R.H.S
4x -3x = 6 + 2
x = 8
14. Decrease in consumption = 10 - 8 = 2 kg
Therefore,
= ??
2
100 20
10
%
15. The rational form of the given decimals are:
The rational numbers obtained above can be represented as follows:
16. Area of the triangle ABC = 48 m
2
Height, CD = 12 m
Area =
1
2
x base x height
48 =
1
2
x AB x 12
6 x AB = 48
AB = 8 m
Thus, base AB = 8 m
CBSE VII | Mathematics
Sample Paper 1 – Solution
17. Consider:
3(a + b) - 2(2a - b) + 4a - 7
= 3a + 3b - 4a + 2b + 4a - 7
= (3a - 4a + 4a) + (2b + 3b) - 7
= 3a + 5b - 7
18. We have,
Since bases are equal, powers are also equal.
19. The alphabet is H
It has 2 lines of symmetry as shown below:
After rotating the letter H through 180
o
, we find that the image remains same. So the
order of rotational symmetry is 2.
20. Number of cubes in the first layer = 5 x 5 = 25
Number of cubes in the second layer = 13 + 4 = 17
Number of cubes in third layer = 4
Hence, total number of cubes = 25 + 17 + 4 = 46
CBSE VII | Mathematics
Sample Paper 1 – Solution
21. Drawing the relational part, the images become as follows:
22.
i. 343000 = 343 × 1000
= 7 × 7 × 7 × 10 × 10 × 10
= 7
3
×10
3
ii. 2048 = 2 × 1024
= 2 × 2 × 512
= 2 × 2 × 2 × 256
= 2 × 2 × 2 × 2 × 128
= 2 × 2 × 2 × 2 × 2 × 64
= 2 × 2 × 2 × 2 × 2 × 2 × 32
= 2 × 2 × 2 × 2 × 2 × 2 × 2 × 16
= 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 8
= 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2
= 2
11
23. Total tons of hay owned by the farmer =
1
56
2
tons
Amount of hay sold by him =
3
5
of
1
56
2
tons
i.e.
3
5
×
1
56
2
['of' means multiplication]
3 113
=×
52
3×113
=
5×2
339
=
10
9
=33
10
Thus, the farmer sold
9
33
10
tons of hay.
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