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SSC CGL Tier 2 Exam 12 Apr 2015 Paper
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© examsnet.com
Question : 3
Total: 100
The sum of money which becomes ₹ 2420 at 10 % rate of compound interest after two years is
₹ 2000
₹ 1000
₹ 2500
₹ 1500
Validate
Solution:
. (1)
A
=
P
(
1
+
R
100
)
T
⇒
2420
=
P
(
1
+
10
100
)
2
⇒
2420
=
P
(
1
+
1
10
)
2
=
P
(
11
10
)
2
⇒
P
=
2420
×
10
×
10
11
×
11
=
R
s
.2000
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