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Standard XII
Mathematics
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The sum of th...
Question
The sum of three numbers is 264 If the first number be twice the second and third number be one-third of the first then find the second number?
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Solution
Let the second number be x Then
First number =2x and third number
=
2
x
3
Given
2
x
+
x
+
2
x
3
=
264
⇒
6
x
+
3
x
+
2
x
3
=
264
⇒
11
x
=
264
×
3
⇒
x
=
264
×
3
11
=
72
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