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RBI Assistant Prelims 2015 Sitting 1 Paper
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© examsnet.com
Question : 45
Total: 100
Shyama invested Rs. P for 2 years in scheme A which offered 11% per annum simple interest. She also invested Rs (600 + P) in scheme B which offered 20% compound interest (compounded annually), for 2 years. If the amount received from scheme A was less than that received from scheme B, by Rs. 1216, what is the value of P ?
Rs. 1,500
Rs. 1,400
Rs. 2,000
Rs. 1,600
Rs. 1,800
Validate
Solution:
S.I. received from the scheme A
=
P
×
R
×
T
100
=
P
×
11
×
2
100
=
Rs
.
22
P
100
Amount
=
R
s
.
(
P
+
22
P
100
)
=
Rs
.
122
P
100
=
Rs
.
61
P
50
Amount received from the scheme B
=
P
1
(
1
+
R
100
)
T
=
(
600
+
P
)
(
1
+
20
100
)
2
=
(
600
+
P
)
×
36
25
=
864
+
36
P
25
According to the question,
36
P
25
+
864
−
61
P
50
=
1216
⇒
36
P
25
−
61
P
50
=
1216
−
864
⇒
11
P
50
=
352
⇒
P
=
Rs
.1600
© examsnet.com
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