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Byju's Answer
Standard VIII
Mathematics
Rational Numbers between Two Rational Numbers
A rational nu...
Question
A rational number between
−
9
10
and
4
5
is:
A
(
−
9
10
+
4
5
)
×
1
2
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B
(
−
9
10
−
4
5
)
+
1
2
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C
(
−
9
10
+
4
5
)
×
2
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D
All above are correct
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Solution
The correct option is
B
(
−
9
10
+
4
5
)
×
1
2
Mean of two numbers always lies between the two numbers.
Mean
=
(
−
9
10
+
4
5
)
2
=
(
−
9
10
+
4
5
)
×
1
2
.
So, answer is option
A
.
Suggest Corrections
0
Similar questions
Q.
(
−
4
5
×
3
2
)
+
(
9
−
5
×
10
3
)
−
(
−
3
2
×
−
1
4
)
=
Q.
If
(
5
9
)
4
×
(
5
9
)
−
10
=
(
5
9
)
−
4
(
5
9
)
2
a
−
1
, then the value of
a
is ______ .
Q.
Verify the following:
(
−
9
5
×
−
10
3
)
×
21
−
4
=
−
9
5
×
(
−
10
3
×
21
−
4
)
Q.
Name the property under multiplication used in each of the following:
(i)
2
3
×
4
5
=
4
5
×
2
3
(ii)
(
−
3
4
)
×
1
=
−
3
4
=
1
×
(
−
3
4
)
(iii)
(
−
17
28
)
×
(
−
28
17
)
=
1
(iv)
1
5
×
(
7
8
×
4
3
)
=
(
1
5
×
7
8
)
×
4
3
(v)
2
7
×
(
9
10
+
2
5
)
=
2
7
×
9
10
+
2
7
×
2
5
Q.
Simplify:
(
2
−
3
×
5
4
)
+
(
5
9
×
3
−
10
)
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