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Power system lecture notes first year

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Power system lecture notes first year notes

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Course

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Chapter 3: Simple Interest




Th
is
PD
F
be
lo
Ques 1. The difference between the simple interest received from two




ng
s
to
different sources on Rs. 1500 for 3 years is Rs. 13.50. The difference between




hm
H
their rates of interest is :




ci
E
(n
ag
ar
1500 रुपये पर 3 साल के ललए दो अलग-अलग स्रोतों से प्रातत सािारण ब्याज के बीच का




an
is
ha
अंतर 13.50 रुपये है । तो उनकी ब्याज दरों के बीच का अंतर ज्ञात कीप्जये ?




04
@
gm
ai
l.
co
m
(a) 0.1%




,8
44
(b) 0.2%




10
98
(c) 0.3%




89
9)
(d) 0.4%
(e) None of these




Ques 2. A sum of Rs. 400 amounts to Rs. 480 in 4 years. What will it amount to
if the rate of interest is increased by 2% ?

400 रुपये की रालश 4 साल में 480 रुपये हो जाती है । यहद ब्याज दर में 2% की वद्
ृ धि की
जाती है तो यह रालश क्या होगी?

(a) Rs. 484
(b) Rs. 560
(c) Rs. 512
(d) None of these



Ques 3. A sum of Rs. 1750 is divided into two parts such that the interests on
the first part at 8% simple interest per annum and that on the other part at 6%
simple interest per annum are equal. The interest on each part (in rupees) is :


198

,1750 रुपये की रालश को दो भागों में इस प्रकार ववभाप्जत फकया जाता है फक पहले भाग
पर ब्याज 8% की दर से वावषतक सािारण ब्याज और दस
ू रे भाग पर 6% की दे र से वावषतक
सािारण ब्याज के बराबर होता है । तो प्रत्येक भाग पर ब्याज (रुपयों में ) फकतना है ?




Th
is
PD
F
be
(a) 60




lo
ng
s
(b) 65




to
hm
(c) 70




H
ci
E
(d) 40




(n
ag
ar
(e) None of these




an
is
ha
04
@
gm
ai
l.
co
m
Ques 4. A person lent Rs. 5,000 partly at the rate of 4 percent and partly at the




,8
44
rate of 5 per cent per annum, at simple interest. The total interest after 2 years




10
98
is Rs. 440. The sum of money lent at each of the above rates is to be divided in




89
9)
the ratio :

एक व्यप्क्त ने 5,000 रुपये का कुछ भाग 4 प्रनतशत की दर से और कुछ भाग 5 प्रनतशत
प्रनत वषत की दर से सािारण ब्याज पर उिार हदया। 2 वषों के बाद कुल ब्याज 440 रुपये
है । उपरोक्त दरों में से प्रत्येक पर लगायी गई रालश का अनप
ु ात बताएं ?

(a) 4 : 5
(b) 3 : 2
(c) 5 : 4
(d) 2 : 3
(e) None of these




Ques 5. Rs. 500 was invested at 12% per annum simple interest and a certain
sum of money invested at 10% per annum simple interest. If the total interest
on both the sum after 4 years is Rs. 480, the latter sum of money is :




199

,500 रुपये 12% प्रनत वषत सािारण ब्याज पर और एक ननप्श्चत रालश 10% प्रनत वषत
सािारण ब्याज पर ननवेश की गई थी। यहद 4 वषों के बाद दोनों रालश पर कुल ब्याज 480
रुपये है , तो दस
ू री िनरालश ज्ञात करें ?




Th
is
PD
(a) Rs. 450




F
be
(b) Rs. 750




lo
ng
s
(c) Rs. 600




to
hm
(d) Rs. 550




H
ci
E
(e) None of these




(n
ag
ar
an
is
ha
04
@
gm
ai
l.
co
m
Ques 6. A lends Rs. 2500 to B and a certain sum to C at the same time at 7%




,8
44
annual simple interest. If after 4 years A received interest of Rs. 1120 from B




10
98
and C, the sum lent to C is:




89
9)
A, B को 2500 रुपये और C को एक ननप्श्चत रालश एक ही समय में 7% वावषतक सािारण
ब्याज पर उिार दे ता है । यहद 4 वषत के बाद A को B और C से 1120 रुपये का ब्याज प्रातत
होता है , तो C को दी गई रालश फकतनी थी ?

(a) Rs. 700
(b) Rs. 6500
(c) Rs. 40000
(d) Rs. 1500
(e) None of these




41 1
Ques 7. A sum of money becomes of itself in year at a certain rate of
40 4
simple interest. The rate of interest per annum is :

एक िनरालश सािारण ब्याज की एक ननप्श्चत दर से वषत में स्वयं की हो जाती है ।
1 41
4 40
प्रनत वषत ब्याज दर क्या है ?

(a) 10%


200

, (b) 1%
(c) 2.5%
(d) 5%
(e) None of these




Th
is
PD
F
be
lo
ng
s
Ques 8. A man loses Rs. 55.50 yearly when the annual rate of interest falls




to
hm
from 11.5% to 10%. His capital (in rupees) is:




H
ci
E
(n
ag
ब्याज की वावषतक दर 11.5% से 10% तक धगर जाने पर एक व्यप्क्त को सालाना 55.50




ar
an
is
रुपये की हानन होती है । तो उसकी पंज
ू ी (रुपयों में ) क्या है ?




ha
04
@
gm
ai
l.
co
(a) 3700




m
,8
(b) 7400




44
10
(c) 8325




98
89
9)
(d) 1110
(e) None of these



Ques 9. A man took a loan from a bank at the rate of 12% per annum at simple
interest. After 3 year he had to pay Rs. 5400 as interest only for that period.
The principal amount borrowed by him was :

एक व्यप्क्त ने एक बैंक से सािारण ब्याज पर 12% प्रनत वषत की दर से ऋण ललया। 3 वषत
के बाद उसे केवल उस अवधि के ललए ब्याज के रूप में 5400 रुपये का भुगतान करना था।
तो उनके द्वारा उिार ली गई मूल रालश फकतनी थी ?

(a) Rs. 2000
(b) Rs. 10,000
(c) Rs. 20,000
(d) Rs. 15,000
(e) None of these




201

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