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Standard X
Mathematics
Solving a Quadratic Equation by Factorization Method
The sum of th...
Question
The sum of three odd consecutive numbers is
45
find the numbers.
A
13,15,17
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B
5,9,13
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C
8,9,10
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D
15,17,19
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Solution
The correct option is
A
13,15,17
Let the 3 numbers be
x
,
x
+
2
,
x
+
4
The sum of numbers is
45
⟹
x
+
x
+
2
+
x
+
4
=
45
3
x
+
6
=
45
3
x
=
39
x
=
13
So the numbers are
13
,
15
,
19
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