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SSC CHSL 5-March-2018 Shift 1 Paper
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© examsnet.com
Question : 11
Total: 100
A sum of Rs 8000 is divided into two parts. The simple interest on first part at the rate of 21% per annum is equal to the simple interest on second part at the rate of 35% per annum. What is the interest (in Rs) of each part?
1050
840
1400
1220
Validate
Solution:
Let sum invested for 21% = Rs. and sum invested for 35% = Rs.
(
8000
−
100
x
)
Time period = 1 year
⇒ Simple interest =
P
×
R
×
T
100
According to ques,
⇒
100
x
×
21
×
1
100
=
(
8000
−
100
x
)
×
35
×
1
100
⇒
21
x
=
(
80
−
x
)
×
35
⇒
21
x
=
2800
−
35
x
⇒
35
x
+
21
x
=
56
x
=
2800
⇒
x
=
2800
56
=
50
∴ Interest for each part =
100
×
50
×
21
×
1
100
= Rs. 1050
© examsnet.com
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