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SSC Multi Tasking Model Paper 6
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© examsnet.com
Question : 41
Total: 150
If the altitude of a triangle is increased by 10% while its area remains same, its corresponding base will have to be decreased by
10%
9%
9
1
11
%
11
1
11
%
Validate
Solution:
Let the base of triangle be decreased by x%.
According to the question,
10
−
x
−
10
x
100
=
0
[Area remains same]
x
+
x
10
=
10
⇒
10
x
+
x
10
=
10
11
x
10
=
10
⇒
x
=
100
11
=
9
1
11
%
© examsnet.com
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