Simple Interest Test 19
Bilingual timed test with proper DI visuals, clean Hindi and detailed solutions.
Simple Interest Test 19
25 bilingual MCQs from Simple Interest, including 5 fresh LearnAtMyPlace original supplemental questions with detailed solutions. Graph questions render as proper visual charts with preserved Hindi, ₹, ×, %, ratios and equations.
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- Simple Interest — Split investment
1. Out of ₹29,000, ₹8,500 is invested at 8% and the rest at 11% simple interest for 3 years. Find total interest. / ₹29,000 में से ₹8,500 को 8% और शेष को 11% साधारण ब्याज पर 3 वर्ष के लिए निवेश किया गया। कुल ब्याज ज्ञात करें।
- A. ₹8,805 (Correct)
- B. ₹9,305
- C. ₹8,505
- D. ₹9,105
Explanation: Total SI = 8500×8×3/100 + 20500×11×3/100 = ₹8,805. / कुल SI = 8500×8×3/100 + 20500×11×3/100 = ₹8,805।
- Simple Interest — Variable rate SI
2. A sum of ₹27,000 is lent at 8% for first 2 years and 11% for the next year. Find total simple interest. (Set 362) / ₹27,000 राशि पहले 2 वर्ष 8% और अगले 1 वर्ष 11% पर दी गई। कुल साधारण ब्याज ज्ञात करें। (सेट 362)
- A. ₹7,790
- B. ₹7,540
- C. ₹7,290 (Correct)
- D. ₹7,040
Explanation: SI = P(r1t1+r2t2)/100 = 27000(8×2+11×1)/100 = ₹7,290. / SI = P(r1t1+r2t2)/100 = 27000(8×2+11×1)/100 = ₹7,290।
- Simple Interest — Due amount
3. A borrower should pay ₹27,930 after 3 years under simple interest but pays only ₹27,130. What amount is still due? / एक उधारकर्ता को साधारण ब्याज पर 3 वर्ष बाद ₹27,930 देना था, पर उसने केवल ₹27,130 दिए। कितना बकाया है?
- A. ₹1,000
- B. ₹700
- C. ₹800 (Correct)
- D. ₹900
Explanation: Due amount = ₹27,930 − paid ₹27,130 = ₹800. / बकाया = ₹27,930 − ₹27,130 = ₹800।
- Simple Interest — Rate reverse
4. A lending app shows interest of ₹8,000 on a loan of ₹34,000 for 5 years under simple interest. What annual rate was applied? (Set 364) / एक लेंडिंग ऐप ₹34,000 ऋण पर 5 वर्ष में ₹8,000 साधारण ब्याज दिखाता है। वार्षिक दर क्या है? (सेट 364)
- A. 6.71%
- B. 5.71%
- C. 3.71%
- D. 4.71% (Correct)
Explanation: R = SI×100/(PT) = 8000×100/(34000×5) = 4.71%. / R = SI×100/(PT) = 8000×100/(34000×5) = 4.71%।
- Simple Interest — Rate hike
5. If the simple interest rate on ₹29,000 for 3 years rises from 5% to 7%, what is the increase in interest? / यदि ₹29,000 पर 3 वर्ष के लिए साधारण ब्याज दर 5% से 7% हो जाती है, तो ब्याज में वृद्धि कितनी होगी?
- A. ₹1,860
- B. ₹1,740 (Correct)
- C. ₹1,980
- D. ₹1,620
Explanation: Increase = P×2×T/100 = 29000×2×3/100 = ₹1,740. / वृद्धि = P×2×T/100 = 29000×2×3/100 = ₹1,740।
- Simple Interest — Loan repayment
6. In a PO-level loan question, ₹22,000 is borrowed at simple interest. If the rate is 11% p.a. and tenure is 4 years, what final repayment is required? (Set 366) / PO-स्तर के ऋण प्रश्न में ₹22,000 साधारण ब्याज पर उधार लिया गया। दर 11% वार्षिक और अवधि 4 वर्ष है। अंतिम भुगतान कितना होगा? (सेट 366)
- A. ₹31,280
- B. ₹9,680
- C. ₹32,080
- D. ₹31,680 (Correct)
Explanation: Final repayment = P + PRT/100 = ₹22,000 + ₹9,680 = ₹31,680. / अंतिम भुगतान = P + PRT/100 = ₹22,000 + ₹9,680 = ₹31,680।
- Simple Interest — Double amount
7. At 10% simple interest, a sum becomes double in 10 years. Which principal will become ₹34,000 in that time? / 10% साधारण ब्याज पर राशि 10 वर्ष में दोगुनी होती है। उस समय में ₹34,000 बनने वाली मूल राशि क्या होगी?
- A. ₹19,000
- B. ₹18,000
- C. ₹16,000
- D. ₹17,000 (Correct)
Explanation: If amount is double, principal is half of final amount = ₹34,000/2 = ₹17,000. / राशि दोगुनी होने पर मूलधन अंतिम राशि का आधा होगा = ₹34,000/2 = ₹17,000।
- Simple Interest — Tax on interest
8. After 5 years at 8% simple interest, tax equal to 10% of interest is deducted from the maturity of ₹24,000. What amount is received? / ₹24,000 की 8% साधारण ब्याज पर 5 वर्ष की परिपक्वता से ब्याज का 10% कर काटा जाता है। प्राप्त राशि कितनी होगी?
- A. ₹33,600
- B. ₹32,640 (Correct)
- C. ₹32,840
- D. ₹32,440
Explanation: Interest = ₹9,600; tax = ₹960; received = ₹33,600−₹960 = ₹32,640. / ब्याज = ₹9,600; कर = ₹960; प्राप्त राशि = ₹33,600−₹960 = ₹32,640।
- Simple Interest — Split investment
9. Out of ₹26,000, ₹8,500 is invested at 11% and the rest at 13% simple interest for 2 years. Find total interest. / ₹26,000 में से ₹8,500 को 11% और शेष को 13% साधारण ब्याज पर 2 वर्ष के लिए निवेश किया गया। कुल ब्याज ज्ञात करें।
- A. ₹6,920
- B. ₹6,420 (Correct)
- C. ₹6,720
- D. ₹6,120
Explanation: Total SI = 8500×11×2/100 + 17500×13×2/100 = ₹6,420. / कुल SI = 8500×11×2/100 + 17500×13×2/100 = ₹6,420।
- Simple Interest — Variable rate SI
10. A sum of ₹25,000 is lent at 8% for first 2 years and 11% for the next year. Find total simple interest. (Set 370) / ₹25,000 राशि पहले 2 वर्ष 8% और अगले 1 वर्ष 11% पर दी गई। कुल साधारण ब्याज ज्ञात करें। (सेट 370)
- A. ₹7,250
- B. ₹7,000
- C. ₹6,500
- D. ₹6,750 (Correct)
Explanation: SI = P(r1t1+r2t2)/100 = 25000(8×2+11×1)/100 = ₹6,750. / SI = P(r1t1+r2t2)/100 = 25000(8×2+11×1)/100 = ₹6,750।
- Simple Interest — Due amount
11. A borrower should pay ₹25,400 after 3 years under simple interest but pays only ₹24,900. What amount is still due? / एक उधारकर्ता को साधारण ब्याज पर 3 वर्ष बाद ₹25,400 देना था, पर उसने केवल ₹24,900 दिए। कितना बकाया है?
- A. ₹500 (Correct)
- B. ₹600
- C. ₹700
- D. ₹400
Explanation: Due amount = ₹25,400 − paid ₹24,900 = ₹500. / बकाया = ₹25,400 − ₹24,900 = ₹500।
- Simple Interest — Rate reverse
12. A lending app shows interest of ₹6,000 on a loan of ₹34,000 for 4 years under simple interest. What annual rate was applied? (Set 372) / एक लेंडिंग ऐप ₹34,000 ऋण पर 4 वर्ष में ₹6,000 साधारण ब्याज दिखाता है। वार्षिक दर क्या है? (सेट 372)
- A. 3.41%
- B. 5.41%
- C. 6.41%
- D. 4.41% (Correct)
Explanation: R = SI×100/(PT) = 6000×100/(34000×4) = 4.41%. / R = SI×100/(PT) = 6000×100/(34000×4) = 4.41%।
- Simple Interest — Rate hike
13. If the simple interest rate on ₹25,000 for 3 years rises from 8% to 10%, what is the increase in interest? / यदि ₹25,000 पर 3 वर्ष के लिए साधारण ब्याज दर 8% से 10% हो जाती है, तो ब्याज में वृद्धि कितनी होगी?
- A. ₹1,620
- B. ₹1,380
- C. ₹1,740
- D. ₹1,500 (Correct)
Explanation: Increase = P×2×T/100 = 25000×2×3/100 = ₹1,500. / वृद्धि = P×2×T/100 = 25000×2×3/100 = ₹1,500।
- Simple Interest — Loan repayment
14. In a PO-level loan question, ₹20,000 is borrowed at simple interest. If the rate is 11% p.a. and tenure is 4 years, what final repayment is required? (Set 374) / PO-स्तर के ऋण प्रश्न में ₹20,000 साधारण ब्याज पर उधार लिया गया। दर 11% वार्षिक और अवधि 4 वर्ष है। अंतिम भुगतान कितना होगा? (सेट 374)
- A. ₹29,200
- B. ₹8,800
- C. ₹28,800 (Correct)
- D. ₹28,400
Explanation: Final repayment = P + PRT/100 = ₹20,000 + ₹8,800 = ₹28,800. / अंतिम भुगतान = P + PRT/100 = ₹20,000 + ₹8,800 = ₹28,800।
- Simple Interest — Double amount
15. At 8% simple interest, a sum becomes double in 12.50 years. Which principal will become ₹32,000 in that time? / 8% साधारण ब्याज पर राशि 12.50 वर्ष में दोगुनी होती है। उस समय में ₹32,000 बनने वाली मूल राशि क्या होगी?
- A. ₹15,000
- B. ₹16,000 (Correct)
- C. ₹18,000
- D. ₹17,000
Explanation: If amount is double, principal is half of final amount = ₹32,000/2 = ₹16,000. / राशि दोगुनी होने पर मूलधन अंतिम राशि का आधा होगा = ₹32,000/2 = ₹16,000।
- Simple Interest — Tax on interest
16. After 5 years at 10% simple interest, tax equal to 10% of interest is deducted from the maturity of ₹25,000. What amount is received? / ₹25,000 की 10% साधारण ब्याज पर 5 वर्ष की परिपक्वता से ब्याज का 10% कर काटा जाता है। प्राप्त राशि कितनी होगी?
- A. ₹36,250 (Correct)
- B. ₹36,450
- C. ₹37,500
- D. ₹36,050
Explanation: Interest = ₹12,500; tax = ₹1,250; received = ₹37,500−₹1,250 = ₹36,250. / ब्याज = ₹12,500; कर = ₹1,250; प्राप्त राशि = ₹37,500−₹1,250 = ₹36,250।
- Simple Interest — Split investment
17. Out of ₹23,000, ₹8,500 is invested at 9% and the rest at 15% simple interest for 4 years. Find total interest. / ₹23,000 में से ₹8,500 को 9% और शेष को 15% साधारण ब्याज पर 4 वर्ष के लिए निवेश किया गया। कुल ब्याज ज्ञात करें।
- A. ₹12,260
- B. ₹11,760 (Correct)
- C. ₹11,460
- D. ₹12,060
Explanation: Total SI = 8500×9×4/100 + 14500×15×4/100 = ₹11,760. / कुल SI = 8500×9×4/100 + 14500×15×4/100 = ₹11,760।
- Simple Interest — Variable rate SI
18. A sum of ₹33,000 is lent at 8% for first 2 years and 11% for the next year. Find total simple interest. (Set 378) / ₹33,000 राशि पहले 2 वर्ष 8% और अगले 1 वर्ष 11% पर दी गई। कुल साधारण ब्याज ज्ञात करें। (सेट 378)
- A. ₹9,410
- B. ₹8,660
- C. ₹9,160
- D. ₹8,910 (Correct)
Explanation: SI = P(r1t1+r2t2)/100 = 33000(8×2+11×1)/100 = ₹8,910. / SI = P(r1t1+r2t2)/100 = 33000(8×2+11×1)/100 = ₹8,910।
- Simple Interest — Due amount
19. A borrower should pay ₹25,840 after 3 years under simple interest but pays only ₹25,290. What amount is still due? / एक उधारकर्ता को साधारण ब्याज पर 3 वर्ष बाद ₹25,840 देना था, पर उसने केवल ₹25,290 दिए। कितना बकाया है?
- A. ₹450
- B. ₹650
- C. ₹750
- D. ₹550 (Correct)
Explanation: Due amount = ₹25,840 − paid ₹25,290 = ₹550. / बकाया = ₹25,840 − ₹25,290 = ₹550।
- Simple Interest — Rate reverse
20. A lending app shows interest of ₹7,000 on a loan of ₹34,000 for 6 years under simple interest. What annual rate was applied? (Set 380) / एक लेंडिंग ऐप ₹34,000 ऋण पर 6 वर्ष में ₹7,000 साधारण ब्याज दिखाता है। वार्षिक दर क्या है? (सेट 380)
- A. 3.43% (Correct)
- B. 5.43%
- C. 2.43%
- D. 4.43%
Explanation: R = SI×100/(PT) = 7000×100/(34000×6) = 3.43%. / R = SI×100/(PT) = 7000×100/(34000×6) = 3.43%।
- Simple Interest — Percentage / प्रतिशत
21. 12% of 725 is: / 725 का 12% कितना है?
- A. 77
- B. 87 (Correct)
- C. 97
- D. 107
Explanation: 12% = 12/100, so answer = 87. / प्रतिशत को 100 से भाग देकर मूल संख्या से गुणा करें।
- Simple Interest — Profit-Loss / लाभ-हानि
22. An article bought for Rs 1000 is sold at 10% profit. Find SP. / Rs 1000 में खरीदी वस्तु 10% लाभ पर बेची गई। SP ज्ञात करें।
- A. Rs 1060
- B. Rs 1100 (Correct)
- C. Rs 1140
- D. Rs 1180
Explanation: SP = CP x (100 + profit%)/100 = 1000 x 110/100 = Rs 1100. / लाभ प्रतिशत जोड़कर विक्रय मूल्य निकालें।
- Simple Interest — Time & Work / समय और कार्य
23. A finishes a work in 18 days and B in 24 days. Together they finish in: / A 18 दिन और B 24 दिन में काम पूरा करते हैं। साथ में समय?
- A. 9.3 days
- B. 10.3 days (Correct)
- C. 11.3 days
- D. 12.3 days
Explanation: Combined time = ab/(a+b) = 18 x 24 / 42 = 10.3 days. / संयुक्त कार्य में दरें जोड़ी जाती हैं।
- Simple Interest — Speed Conversion / चाल परिवर्तन
24. 90 km/h equals: / 90 किमी/घंटा बराबर है:
- A. 22 m/s
- B. 25 m/s (Correct)
- C. 28 m/s
- D. 30 m/s
Explanation: km/h to m/s conversion uses x 5/18. 90 x 5/18 = 25. / किमी/घंटा को मी/से में बदलने के लिए 5/18 से गुणा करें।
- Simple Interest — Simplification / सरलीकरण
25. Simplify: 21 x 16 + 21 - 16. / सरल करें: 21 x 16 + 21 - 16.
- A. 333
- B. 341 (Correct)
- C. 349
- D. 357
Explanation: Apply BODMAS: 336 + 21 - 16 = 341. / पहले गुणा, फिर जोड़-घटाव करें।