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Byju's Answer
Standard VII
Mathematics
Changing Scale (Including Flags)
If a:b = 3:...
Question
If
a
:
b
=
3
:
7
and
b
:
c
=
3
:
4
then find
a
:
b
:
c
.
If
a
:
b
=
3
:
5
and
b
:
c
=
2
:
3
then find
a
:
b
:
c
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Solution
Part
(
A
)
a
:
b
=
3
:
7
and
b
:
c
=
3
:
4
a
:
b
=
9
:
21
and
b
:
c
=
21
:
28
So,
a
:
b
:
c
=
9
:
21
:
28
Part
(
B
)
a
:
b
=
3
:
5
and
b
:
c
=
2
:
3
a
:
b
=
6
:
10
and
b
:
c
=
10
:
15
So,
a
:
b
:
c
=
6
:
10
:
25
Hence, this is the answer.
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