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Byju's Answer
Standard VIII
Mathematics
What Is a Rational Number?
If m n=-25/9,...
Question
If
m
n
=
−
25
9
, then find the value of
n
if the value of
A
n
=
−
5
4
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B
n
=
5
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C
n
=
5
2
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D
n
=
−
5
3
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Solution
m
n
=
−
25
9
1.
⇒
n
=
−
25
9
m
⇒
m
=
5
3
⇒
n
=
−
25
×
3
9
×
5
⇒
n
=
−
5
3
2.
⇒
n
=
−
25
9
m
⇒
m
=
−
10
9
⇒
n
=
−
25
×
9
9
×
−
10
⇒
n
=
5
2
3.
⇒
n
=
−
25
9
m
⇒
m
=
−
5
9
⇒
n
=
−
25
×
9
9
×
−
5
⇒
n
=
5
4.
⇒
n
=
−
25
9
m
⇒
m
=
15
9
⇒
n
=
−
25
×
9
9
×
20
⇒
n
=
−
5
4
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0
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