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Byju's Answer
Standard VIII
Mathematics
Numbers in General Form
Sum of 3 numb...
Question
Sum of 3 numbers is 24 and their product is 440 in an A.P. Find the numbers.
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Solution
Let the numbers be
a
−
d
,
a
,
a
+
d
Sum =
(
a
−
d
)
+
a
+
(
a
+
d
)
=
24
3
a
=
24
⇒
a
=
8
product =
(
a
−
d
)
a
(
a
+
d
)
=
440
a
(
a
2
−
d
2
)
=
440
8
(
64
−
d
2
)
=
440
64
−
d
2
=
55
d
2
=
9
Number
d
=
3
5
,
8
,
11
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