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KEAM 2021 Math Solved Paper
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© examsnet.com
Question : 16
Total: 120
If
x
-intercept of the straight line
a
x
+
2
a
y
=
30
is 10 , then the
y
-intercept is
5
10
15
20
30
Validate
Solution:
Given, straight line is
a
x
+
2
a
y
=
30
⇒
x
30
/
a
+
y
30
/
2
a
=
1
Since,
30
a
=
10
⇒
a
=
3
∴
y
-intercept
=
30
/
2
a
=
30
6
=
5
© examsnet.com
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