Simple Interest Test 17
Bilingual timed test with proper DI visuals, clean Hindi and detailed solutions.
Simple Interest Test 17
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 ₹22,000, ₹8,500 is invested at 8% and the rest at 13% simple interest for 2 years. Find total interest. / ₹22,000 में से ₹8,500 को 8% और शेष को 13% साधारण ब्याज पर 2 वर्ष के लिए निवेश किया गया। कुल ब्याज ज्ञात करें।
- A. ₹5,370
- B. ₹4,870 (Correct)
- C. ₹5,170
- D. ₹4,570
Explanation: Total SI = 8500×8×2/100 + 13500×13×2/100 = ₹4,870. / कुल SI = 8500×8×2/100 + 13500×13×2/100 = ₹4,870।
- 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. / ₹27,000 राशि पहले 2 वर्ष 8% और अगले 1 वर्ष 11% पर दी गई। कुल साधारण ब्याज ज्ञात करें।
- A. ₹7,540
- B. ₹7,040
- C. ₹7,290 (Correct)
- D. ₹7,790
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 ₹34,580 after 3 years under simple interest but pays only ₹34,030. What amount is still due? / एक उधारकर्ता को साधारण ब्याज पर 3 वर्ष बाद ₹34,580 देना था, पर उसने केवल ₹34,030 दिए। कितना बकाया है?
- A. ₹450
- B. ₹650
- C. ₹750
- D. ₹550 (Correct)
Explanation: Due amount = ₹34,580 − paid ₹34,030 = ₹550. / बकाया = ₹34,580 − ₹34,030 = ₹550।
- Simple Interest — Rate reverse
4. 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? / एक लेंडिंग ऐप ₹34,000 ऋण पर 4 वर्ष में ₹6,000 साधारण ब्याज दिखाता है। वार्षिक दर क्या है?
- A. 4.41% (Correct)
- B. 3.41%
- C. 6.41%
- D. 5.41%
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
5. If the simple interest rate on ₹25,000 for 3 years rises from 5% to 7%, what is the increase in interest? / यदि ₹25,000 पर 3 वर्ष के लिए साधारण ब्याज दर 5% से 7% हो जाती है, तो ब्याज में वृद्धि कितनी होगी?
- A. ₹1,740
- B. ₹1,500 (Correct)
- C. ₹1,380
- D. ₹1,620
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
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? / 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?
- A. ₹9,680
- B. ₹31,280
- 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 ₹26,000 in that time? / 10% साधारण ब्याज पर राशि 10 वर्ष में दोगुनी होती है। उस समय में ₹26,000 बनने वाली मूल राशि क्या होगी?
- A. ₹15,000
- B. ₹14,000
- C. ₹12,000
- D. ₹13,000 (Correct)
Explanation: If amount is double, principal is half of final amount = ₹26,000/2 = ₹13,000. / राशि दोगुनी होने पर मूलधन अंतिम राशि का आधा होगा = ₹26,000/2 = ₹13,000।
- Simple Interest — Tax on interest
8. After 5 years at 10% simple interest, tax equal to 10% of interest is deducted from the maturity of ₹26,000. What amount is received? / ₹26,000 की 10% साधारण ब्याज पर 5 वर्ष की परिपक्वता से ब्याज का 10% कर काटा जाता है। प्राप्त राशि कितनी होगी?
- A. ₹37,700 (Correct)
- B. ₹37,500
- C. ₹39,000
- D. ₹37,900
Explanation: Interest = ₹13,000; tax = ₹1,300; received = ₹39,000−₹1,300 = ₹37,700. / ब्याज = ₹13,000; कर = ₹1,300; प्राप्त राशि = ₹39,000−₹1,300 = ₹37,700।
- Simple Interest — Split investment
9. Out of ₹30,000, ₹8,500 is invested at 11% and the rest at 15% simple interest for 4 years. Find total interest. / ₹30,000 में से ₹8,500 को 11% और शेष को 15% साधारण ब्याज पर 4 वर्ष के लिए निवेश किया गया। कुल ब्याज ज्ञात करें।
- A. ₹16,640 (Correct)
- B. ₹16,340
- C. ₹16,940
- D. ₹17,140
Explanation: Total SI = 8500×11×4/100 + 21500×15×4/100 = ₹16,640. / कुल SI = 8500×11×4/100 + 21500×15×4/100 = ₹16,640।
- 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. / ₹25,000 राशि पहले 2 वर्ष 8% और अगले 1 वर्ष 11% पर दी गई। कुल साधारण ब्याज ज्ञात करें।
- A. ₹6,500
- B. ₹7,000
- C. ₹7,250
- 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 ₹31,750 after 3 years under simple interest but pays only ₹31,150. What amount is still due? / एक उधारकर्ता को साधारण ब्याज पर 3 वर्ष बाद ₹31,750 देना था, पर उसने केवल ₹31,150 दिए। कितना बकाया है?
- A. ₹700
- B. ₹800
- C. ₹600 (Correct)
- D. ₹500
Explanation: Due amount = ₹31,750 − paid ₹31,150 = ₹600. / बकाया = ₹31,750 − ₹31,150 = ₹600।
- Simple Interest — Rate reverse
12. 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? / एक लेंडिंग ऐप ₹34,000 ऋण पर 6 वर्ष में ₹7,000 साधारण ब्याज दिखाता है। वार्षिक दर क्या है?
- A. 3.43% (Correct)
- B. 2.43%
- C. 5.43%
- 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 — Rate hike
13. If the simple interest rate on ₹27,000 for 3 years rises from 8% to 10%, what is the increase in interest? / यदि ₹27,000 पर 3 वर्ष के लिए साधारण ब्याज दर 8% से 10% हो जाती है, तो ब्याज में वृद्धि कितनी होगी?
- A. ₹1,860
- B. ₹1,620 (Correct)
- C. ₹1,740
- D. ₹1,500
Explanation: Increase = P×2×T/100 = 27000×2×3/100 = ₹1,620. / वृद्धि = P×2×T/100 = 27000×2×3/100 = ₹1,620।
- 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? / 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?
- A. ₹28,800 (Correct)
- B. ₹8,800
- C. ₹28,400
- D. ₹29,200
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 ₹24,000 in that time? / 8% साधारण ब्याज पर राशि 12.50 वर्ष में दोगुनी होती है। उस समय में ₹24,000 बनने वाली मूल राशि क्या होगी?
- A. ₹11,000
- B. ₹14,000
- C. ₹12,000 (Correct)
- D. ₹13,000
Explanation: If amount is double, principal is half of final amount = ₹24,000/2 = ₹12,000. / राशि दोगुनी होने पर मूलधन अंतिम राशि का आधा होगा = ₹24,000/2 = ₹12,000।
- Simple Interest — Tax on interest
16. After 5 years at 6% simple interest, tax equal to 10% of interest is deducted from the maturity of ₹20,000. What amount is received? / ₹20,000 की 6% साधारण ब्याज पर 5 वर्ष की परिपक्वता से ब्याज का 10% कर काटा जाता है। प्राप्त राशि कितनी होगी?
- A. ₹26,000
- B. ₹25,200
- C. ₹25,600
- D. ₹25,400 (Correct)
Explanation: Interest = ₹6,000; tax = ₹600; received = ₹26,000−₹600 = ₹25,400. / ब्याज = ₹6,000; कर = ₹600; प्राप्त राशि = ₹26,000−₹600 = ₹25,400।
- Simple Interest — Split investment
17. Out of ₹27,000, ₹8,500 is invested at 9% and the rest at 11% simple interest for 3 years. Find total interest. / ₹27,000 में से ₹8,500 को 9% और शेष को 11% साधारण ब्याज पर 3 वर्ष के लिए निवेश किया गया। कुल ब्याज ज्ञात करें।
- A. ₹8,400 (Correct)
- B. ₹8,100
- C. ₹8,900
- D. ₹8,700
Explanation: Total SI = 8500×9×3/100 + 18500×11×3/100 = ₹8,400. / कुल SI = 8500×9×3/100 + 18500×11×3/100 = ₹8,400।
- 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. / ₹33,000 राशि पहले 2 वर्ष 8% और अगले 1 वर्ष 11% पर दी गई। कुल साधारण ब्याज ज्ञात करें।
- 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 ₹32,640 after 3 years under simple interest but pays only ₹31,990. What amount is still due? / एक उधारकर्ता को साधारण ब्याज पर 3 वर्ष बाद ₹32,640 देना था, पर उसने केवल ₹31,990 दिए। कितना बकाया है?
- A. ₹850
- B. ₹650 (Correct)
- C. ₹550
- D. ₹750
Explanation: Due amount = ₹32,640 − paid ₹31,990 = ₹650. / बकाया = ₹32,640 − ₹31,990 = ₹650।
- Simple Interest — Rate reverse
20. 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? / एक लेंडिंग ऐप ₹34,000 ऋण पर 5 वर्ष में ₹8,000 साधारण ब्याज दिखाता है। वार्षिक दर क्या है?
- A. 5.71%
- B. 4.71% (Correct)
- C. 6.71%
- D. 3.71%
Explanation: R = SI×100/(PT) = 8000×100/(34000×5) = 4.71%. / R = SI×100/(PT) = 8000×100/(34000×5) = 4.71%।
- Simple Interest — Percentage / प्रतिशत
21. 15% of 775 is: / 775 का 15% कितना है?
- A. 106.25
- B. 116.25 (Correct)
- C. 126.25
- D. 136.25
Explanation: 15% = 15/100, so answer = 116.25. / प्रतिशत को 100 से भाग देकर मूल संख्या से गुणा करें।
- Simple Interest — Profit-Loss / लाभ-हानि
22. An article bought for Rs 900 is sold at 15% profit. Find SP. / Rs 900 में खरीदी वस्तु 15% लाभ पर बेची गई। SP ज्ञात करें।
- A. Rs 995
- B. Rs 1035 (Correct)
- C. Rs 1075
- D. Rs 1115
Explanation: SP = CP x (100 + profit%)/100 = 900 x 115/100 = Rs 1035. / लाभ प्रतिशत जोड़कर विक्रय मूल्य निकालें।
- Simple Interest — Time & Work / समय और कार्य
23. A finishes a work in 21 days and B in 27 days. Together they finish in: / A 21 दिन और B 27 दिन में काम पूरा करते हैं। साथ में समय?
- A. 10.8 days
- B. 11.8 days (Correct)
- C. 12.8 days
- D. 13.8 days
Explanation: Combined time = ab/(a+b) = 21 x 27 / 48 = 11.8 days. / संयुक्त कार्य में दरें जोड़ी जाती हैं।
- Simple Interest — Speed Conversion / चाल परिवर्तन
24. 54 km/h equals: / 54 किमी/घंटा बराबर है:
- A. 12 m/s
- B. 15 m/s (Correct)
- C. 18 m/s
- D. 20 m/s
Explanation: km/h to m/s conversion uses x 5/18. 54 x 5/18 = 15. / किमी/घंटा को मी/से में बदलने के लिए 5/18 से गुणा करें।
- Simple Interest — Simplification / सरलीकरण
25. Simplify: 23 x 17 + 23 - 17. / सरल करें: 23 x 17 + 23 - 17.
- A. 389
- B. 397 (Correct)
- C. 405
- D. 413
Explanation: Apply BODMAS: 391 + 23 - 17 = 397. / पहले गुणा, फिर जोड़-घटाव करें।