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Q.1. Tanishk lent out Rs.24000 at 8.5% per annum for 2 years 6 months. At the end of the duration, what profit he earned?
तनिष्क ने 2 वर्ष 6 महीने के लिए 8.5% प्रतिवर्ष की दर से 24000 रु. उधार दिए। अवधि के अंत में, उसने कितना लाभ अर्जित किया?
(A) Rs.5000
(B) Rs.5100
(C) Rs.10050
(D) Rs.3000
Q.2. A sum of Rs.12500 to Rs.15000 in 2 years, find the rate of interest?
2 वर्ष में 1,2500 रुपये की राशि 15000 रुपये हो जाती है, ब्याज दर ज्ञात कीजिये?
(A) 12%
(B) 16%
(C) 10%
(D) 15%
Q.3. A sum of money amounts to Rs.8400 after 3 years and Rs.12000 after 6 years at the same rate of simple interest. The rate of interest per annum is
एक धनराशि समान साधारण ब्याज की दर से 3 वर्ष के बाद 8400 रुपये और 6 साल के बाद 12000 रुपये हो जाती है। प्रतिवर्ष ब्याज दर है
(A) 25%
(B) 20%
(C) 12%
(D) 15%
Q.4. A certain amount of simple interest of Rs.2500 after 5 years. Had the interest increased 2% more, what is SI now? (Assume P = 10000)
एक निश्चित धनराशि 5 वर्ष के बाद 2500 रु. हो जाती है । यदि ब्याज को 2% से बढ़ा दिया जाय, अब साधारण ब्याज क्या है ? (मान लीजिये = 10000)
(A) Rs.2500
(B) Rs.3500
(C) Rs.3000
(D) Rs.4500
Q.5. What will be the ratio of simple interest earned by certain amount at the same rate for 4 years and 12 years?
एक निश्चित धनराशि द्वारा समान ब्याज दर पर 4 वर्ष और 12 वर्ष में प्राप्त किये गए साधारण ब्याज में क्या अनुपात होगा ?
(A) 1: 4
(B) 1: 2
(C) 3: 1
(D) 1: 3
Q.6. Shashank borrowed some money at the rate of 4% p.a. for the first 4 years, 6% for the next 3 years and 7% for the next 10 years. If the total interest paid by him is Rs.34112, how much money did he borrow?
शशांक ने पहले 4 वर्षों के लिए 4% वार्षिक ब्याज की दर से, अगले 3 वर्षों के लिए 6% और अगले 10 वर्षों के लिए 7% पर कुछ पैसे उधार लिये।। यदि उसके द्वारा चुकाई गई कुल ब्याज की राशि 34112 रुपये है, तो उसने कितना पैसा उधार लिया?
(A) Rs.32800
(B) Rs.33312
(C) Rs.66912
(D) Rs.66900
Q.7. A sum of money trebles itself in 16 years. In how many years it would become double itself in how many years?
16 वर्ष में एक धनराशि स्वयं का 3 गुना हो जाती है। कितने वर्षों में यह स्वयं का दोगुना हो जाएगी?
(A) 4
(B) 5
(C) 8
(D) 8.5
Q.8. The difference between the simple interest received from two different sources on Rs.18000 for 3 years is Rs.16.2. The difference between their rate of interest is
दो अलग-अलग स्रोतों से प्राप्त 3 वर्ष में 18000 रुपये पर प्राप्त साधारण ब्याज के बीच अंतर 16.2 रुपये है। उनकी ब्याज दर के बीच अंतर है
(A) 0.03%
(B) 0.30%
(C) 0.05%
(D) 0.08%
Q.9. Anu invested an amount of Rs.6950 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs.1754, what was the amount invested in scheme B?
अनु ने 6950 रुपये की राशि को दो अलग-अलग योजनाओं A और B में क्रमशः 14% और 11% वार्षिक साधारण ब्याज की दर पर निवेश किया। यदि 2 वर्ष में अर्जित साधारण ब्याज की कुल राशि 1754 रुपये है, तो योजना B में निवेश की गई राशि क्या थी?
(A) Rs.3200
(B) Rs.3250
(C) Rs.3600
(D) Rs.3750
Q.10. If simple interest on a certain sum of money for 4 years at 5% per annum is same as the simple interest on Rs.560 for 10 years at the rate of 4% per annum then the sum of money is
यदि एक निश्चित धनराशि पर 4 वर्ष के लिए 5% प्रतिवर्ष की दर पर साधारण ब्याज 560 रु. पर 4% प्रति वर्ष की दर 10 वर्ष में साधारण ब्याज के समान है तो धनराशि है
(A) Rs.1180
(B) Rs.1120
(C) Rs.1200
(D) Rs.1250
Answer Key:
Q1. (B) Using formula/सूत्र का उपयोग करके,
I = 
= 5100
Q2. (C) S.I. = 15000 – 12500 = 2500
R = 
= 
= 10%
= = 10%
Q3. (A) 3 years SI = 8400
6 years SI = 12000
1 year SI = (12000 – 8400)/3 = 1200
P = 8400 – 3600 = 4800
R = 
= 25%
= 25%
Q4. (B) R = 
= 5%
= 5%
Now/अब, R = 5 + 2 = 7%
SI = 
= 
= 3500
= = 3500
Q5. (D) Required ratio/अभीष्ट अनुपात =
= 
= 1: 3
= = 1: 3
Q6. (A) 
104x = 3411200
x = 32800
Q7. (C) R =
= 12.5%
= 12.5%
T = 
= 
= 8
= = 8
Q8. (A) 
540 (r1 – r2) = 16.2
(r1 – r2) = 
= 0.03
= 0.03
Q9. (A) Let the sum invested in scheme A be Rs.x and that in scheme B be Rs.(6950 – x).
माना योजना A में निवेश की गयी धनराशि x रु. है और योजना B निवेश की गयी धनराशि (6950 – x) रु. है ।
Then/तो,
28x – 22x = 175400 – 152900
6x = 22500
x = 3750
Sum invested in scheme B/योजना B निवेश की गयी धनराशि = Rs. (6950 – 3750)
= Rs.3200
Q10. (B) According to the question/प्रश्नानुसार,
20x = 22400
x = 1120
