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Standard VI
Mathematics
Word Problems
Question
If
a
:
b
=
2
:
3
,
b
:
c
=
5
:
6
and
c
:
d
=
8
:
11
then find
a
:
d
.
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Solution
Verified by Toppr
Given,
a
:
b
=
2
:
3
or,
a
b
=
2
3
......(1).
And
b
:
c
=
5
:
6
or,
b
c
=
5
6
.......(2)
And
c
:
d
=
8
:
11
or,
c
d
=
8
11
........(3).
Now multiplying (1) and (2) and (3) we get,
a
d
=
40
99
or,
a
:
d
=
40
:
99
.
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:
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