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Standard VII
Mathematics
Integers
Question
If a and b are positive integers and
(
a
b
3
/
2
)
2
=
108
, what is the value of
a
b
?
4
5
6
7
A
6
B
4
C
5
D
7
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Solution
Verified by Toppr
Given,
(
a
b
3
2
)
2
=
108
⇒
(
a
2
b
3
)
=
108
As
108
=
2
×
2
×
3
×
3
×
3
⇒
a
=
2
,
b
=
3
⇒
a
b
=
2
×
3
=
6
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