Download Class 07 Chapter Fraction Practice paper -3

Class 07 Chapter Fraction Practice paper -3
1. For what value of ‘a’ the number -11/a is not a
7. What is the quotient when a non-zero rational
rational number.
number is divided by its additive inverse.
a) -1
b) 1
c) 0
d) 10
2. The product of two rational numbers is
37
8
 42
8
b)
3. Find the value of
a) -1
1
3
21
4
c)
b) -3
7
48
d)
c) 2
b) 0
c)
d) -8
1 1
is ________.

3
3
1
3
b) -1
c) 1
d) None of these
7
5
is equal to the product of
and
3
6
8. The sum of
5
and a number. Find the number.
3
9 8 5 5
.

 
5
5 2 4
4. The additive inverse of
a)
7
. If one
8
1
. Find the other.
6
of the numbers is
a)
a) 0
d) None of these.
5. The sum of three rational numbers is
1
. If two of
5
3
2
the numbers are
, find the third
and
10
5
a)
35
6
b)
5
3
c)
 25
6
d)
19
10
9.
What number should be subtracted from
get
5
.
7
a)
2
7
2
7
b)
10. Product of - 1
c)
3
5
d)
3
to
7
1
7
1
2
and the reciprocal of
is
7
7
____________.
2
a)
7
b) 4
1
2
c) 3
number.
a)
7
10
b)
 11
10
c)
2
5
6. The sum of three rational numbers is
the numbers are
1
10
d)
1
. If two of
5
3
2
and
, find the third
10
5
11. Which of the following is not equivalent to
a)
a)
7
10
b)
 11
10
c)
2
5
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d)
1
10
b)
10
 35
c)
12. Find the additive inverse of
number.
a)
20
 70
2
13
b)
13
2
c)
9
24
d)
6
.
21
 26
91
2
.
 13
 13
2
d)
2
13
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13. For any rational number a,b,c ,which among the
18. By what number should we multiply
following is false.
a) a x b=b x a
7
.
2
b) a x (b-c)=a x b-a x c
c) a x (b  c)=a x b
 a x c d) a x (b+c)=a x b+a x c
b)
4
7
m long, find the
a)
c)
8
 35
d)
 14
5
1
5
1
and
by the sum of
3
6
4
3
.
8
15. From a rope of 40m50cm , pieces of equal size
1
4
5
14
d) -2
and
are cut. If each piece is 2
b)
19. Divide the sum of
6
7
c)
 35
8
a)
 2 5  8 4 
14. Find the value: 
 7  7    3  9 
a) -6
5
to get
4
1
2
b) 6
c) 4
d)
1
4
number of pieces cut off?
a) 15
b) 18
c) 22
16. Divide the difference of
of
20. If
d) 9
3
2
by the product
and
7
5
multiplicative inverse of
4
25
.
and
5
2
a)
2
7
a)
b)
9
35
c)
1
350
d)
p
r
p
is
and are rational numbers ,then
q
s
q
2
75
c)
p r

q s
b)
p r
 1
q s
r
if,
s
p r
 1
q s
d)
p r
 0
q s
17. ______ and ______ are reciprocals of itself.
a) 0 ,1
b) 0,-1
c) 1,-1
21. Subtract -
d) None of these
a)
 16
15
3
from its reciprocal.
5
b)
 34
15
c)
 29
9
d)
8
15
ANSWERS
1) c
13) a
2) c
14) b
3) a
4) b
5) d
6) b
7) d
15) c
16) c
17) d
18) c
19) c 20) a
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8) a
9) b
10) c
11) d
12) c
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