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Byju's Answer
Standard XII
Mathematics
AM,GM,HM Inequality
The geometric...
Question
The geometric mean of two numbers exceeds by
12
the smaller of the numbers, and the arithmetic mean of the same numbers is smaller by
24
than the larger of the numbers. Find the numbers.
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Solution
Let the two numbers be
a
and
b
G
M
=
√
a
b
and
A
M
=
a
+
b
2
√
a
b
=
12
+
a
−
(
i
)
a
+
b
2
=
b
−
24
−
(
i
i
)
a
+
b
=
2
b
−
48
b
=
a
+
48
Putting value of
b
in
(
i
)
√
a
(
a
+
48
)
=
12
+
a
Squaring both sides
a
2
+
48
a
=
a
2
+
24
a
+
144
⇒
24
a
=
144
a
=
144
24
=
6
S
o
,
b
=
48
+
6
=
54
Numbers are
54
&
6
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Similar questions
Q.
Let
α
and
β
be two numbers where
α
<
β
.
The geometric mean of these numbers exceeds the smaller number
α
by
12
and the arithmetic mean of the same numbers is smaller by
24
than the larger number
β
.
Then the value of
|
β
−
α
|
is
Q.
Let
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by
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and the arithmetic mean of the same number is smaller by
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than the larger number
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Q.
If the Arithmetic Mean of two numbers is twice their Geometric Mean, then the ratio of larger number to the smaller number is ______
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