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SSC CGL Tier 2 Exam 12 Apr 2015 Paper
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© examsnet.com
Question : 17
Total: 100
The area of a circle is 324π square cm. The length of its longest chord (in cm.) is
36
28
38
32
Validate
Solution:
(1) Area of circle
=
π
r
2
⇒
π
r
2
=
324
π
⇒
r
2
=
324
∴
r
=
√
324
=
18
c
m
.
∴Length of longest chord of circle = Diameter = 2 × 18 = 36 cm.
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