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Compound Interest Test 20
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Compound Interest Test 20

Bilingual timed test with proper DI visuals, clean Hindi and detailed solutions.

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Batch 3 | Visual DI

Compound Interest Test 20

25 bilingual MCQs from Compound Interest, including 5 fresh LearnAtMyPlace original supplemental questions with detailed solutions. Graph questions render as proper visual charts with preserved Hindi, ₹, ×, %, ratios and equations.

Questions
25
Duration
25 min
Marking
+1 / -0.25
Sections
Compound Interest | 25 questions

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Preview all 25 questions in Compound Interest Test 20 (no login required)
  1. Compound Interest — CI plus bonus

    1. A fixed deposit of ₹31,000 compounds at 10% for 2 years and then gets a bonus of ₹750. Find final amount. (Set 381) / ₹31,000 की FD 10% पर 2 वर्ष चक्रवृद्धि से बढ़ती है और फिर ₹750 बोनस मिलता है। अंतिम राशि ज्ञात करें। (सेट 381)

    • A. ₹38,560
    • B. ₹38,260 (Correct)
    • C. ₹37,510
    • D. ₹37,960

    Explanation: Final amount = 31000×1.1^2 + 750 = ₹38,260. / अंतिम राशि = 31000×1.1^2 + 750 = ₹38,260।

  2. Compound Interest — CI after tax

    2. A deposit of ₹42,000 earns 12% annual CI for 2 years. If 10% of interest is deducted as tax, what amount is received? (Set 382) / ₹42,000 जमा पर 12% वार्षिक CI 2 वर्ष के लिए मिलता है। यदि ब्याज का 10% कर कटता है, तो प्राप्त राशि कितनी होगी? (सेट 382)

    • A. ₹51,866.32
    • B. ₹51,366.32
    • C. ₹52,684.80
    • D. ₹51,616.32 (Correct)

    Explanation: CI = ₹10,684.80, tax = ₹1,068.48; received = amount − tax = ₹51,616.32. / CI = ₹10,684.80, कर = ₹1,068.48; प्राप्त राशि = राशि − कर = ₹51,616.32।

  3. Compound Interest — Reverse principal hard

    3. If the compound amount after 3 years at 10% is ₹56,240, find the principal. (Set 383) / यदि 10% पर 3 वर्ष बाद चक्रवृद्धि राशि ₹56,240 है, तो मूलधन ज्ञात करें। (सेट 383)

    • A. ₹43,253.94
    • B. ₹41,253.94
    • C. ₹42,253.94 (Correct)
    • D. ₹43,261.54

    Explanation: P = A/1.1^3 = ₹42,253.94. / P = A/1.1^3 = ₹42,253.94।

  4. Compound Interest — Half-yearly hard

    4. A sum is compounded half-yearly at 18% p.a. for 3 years. Find CI on ₹40,000. (Set 384) / ₹40,000 राशि 18% वार्षिक दर से 3 वर्ष तक अर्धवार्षिक चक्रवृद्धि पर है। CI ज्ञात करें। (सेट 384)

    • A. ₹21,600
    • B. ₹27,584.00
    • C. ₹27,084.00 (Correct)
    • D. ₹26,584.00

    Explanation: Half-yearly rate = 9%, periods = 6. CI = 40000[(1.09)^6−1] = ₹27,084.00. / अर्धवार्षिक दर = 9%, अवधियाँ = 6। CI = 40000[(1.09)^6−1] = ₹27,084.00।

  5. Compound Interest — Successive CI rates

    5. A PO-level scheme compounds ₹35,000 at 8%, 10% and 12% in three successive years. Find total CI. (Set 385) / PO-स्तर की योजना में ₹35,000 पर तीन क्रमिक वर्षों में 8%, 10% और 12% चक्रवृद्धि लगती है। कुल CI ज्ञात करें। (सेट 385)

    • A. ₹11,069.60
    • B. ₹12,069.60
    • C. ₹10,500
    • D. ₹11,569.60 (Correct)

    Explanation: CI = 35000×1.08×1.10×1.12 − 35000 = ₹11,569.60. / CI = 35000×1.08×1.10×1.12 − 35000 = ₹11,569.60।

  6. Compound Interest — CI-SI three years

    6. For 3 years at 12% p.a., find CI−SI on ₹27,000. (Set 386) / ₹27,000 पर 12% वार्षिक दर से 3 वर्ष के लिए CI−SI ज्ञात करें। (सेट 386)

    • A. ₹1,213.06 (Correct)
    • B. ₹1,313.06
    • C. ₹388.80
    • D. ₹1,113.06

    Explanation: CI−SI = ₹10,933.06−₹9,720 = ₹1,213.06. / CI−SI = ₹10,933.06−₹9,720 = ₹1,213.06।

  7. Compound Interest — Quarterly two years

    7. Find CI on ₹22,000 for 2 years at 16% p.a. compounded quarterly. (Set 387) / ₹22,000 पर 16% वार्षिक दर से 2 वर्ष का CI ज्ञात करें, जब ब्याज त्रैमासिक हो। (सेट 387)

    • A. ₹7,040
    • B. ₹8,408.52
    • C. ₹8,108.52 (Correct)
    • D. ₹7,808.52

    Explanation: Quarterly rate = 4%, periods = 8. CI = 22000[(1.04)^8−1] = ₹8,108.52. / त्रैमासिक दर = 4%, अवधियाँ = 8। CI = 22000[(1.04)^8−1] = ₹8,108.52।

  8. Compound Interest — Compound growth and fall

    8. A fund grows by 20% in each of first two years but falls by 10% in the third year. If initial value is ₹35,000, find net gain/loss. (Set 388) / एक फंड पहले दो वर्षों में प्रत्येक वर्ष 20% बढ़ता है लेकिन तीसरे वर्ष 10% घटता है। प्रारंभिक मूल्य ₹35,000 है। शुद्ध लाभ/हानि ज्ञात करें। (सेट 388)

    • A. ₹10,360 (Correct)
    • B. ₹10,160
    • C. ₹45,360
    • D. ₹10,560

    Explanation: Final value = 35000×1.2×1.2×0.9 = ₹45,360; net gain = ₹10,360. / अंतिम मूल्य = 35000×1.2×1.2×0.9 = ₹45,360; शुद्ध लाभ = ₹10,360।

  9. Compound Interest — CI plus bonus

    9. A fixed deposit of ₹33,000 compounds at 10% for 2 years and then gets a bonus of ₹750. Find final amount. (Set 389) / ₹33,000 की FD 10% पर 2 वर्ष चक्रवृद्धि से बढ़ती है और फिर ₹750 बोनस मिलता है। अंतिम राशि ज्ञात करें। (सेट 389)

    • A. ₹40,680 (Correct)
    • B. ₹39,930
    • C. ₹40,380
    • D. ₹40,980

    Explanation: Final amount = 33000×1.1^2 + 750 = ₹40,680. / अंतिम राशि = 33000×1.1^2 + 750 = ₹40,680।

  10. Compound Interest — CI after tax

    10. A deposit of ₹40,000 earns 12% annual CI for 2 years. If 10% of interest is deducted as tax, what amount is received? (Set 390) / ₹40,000 जमा पर 12% वार्षिक CI 2 वर्ष के लिए मिलता है। यदि ब्याज का 10% कर कटता है, तो प्राप्त राशि कितनी होगी? (सेट 390)

    • A. ₹48,908.40
    • B. ₹50,176
    • C. ₹49,408.40
    • D. ₹49,158.40 (Correct)

    Explanation: CI = ₹10,176, tax = ₹1,017.60; received = amount − tax = ₹49,158.40. / CI = ₹10,176, कर = ₹1,017.60; प्राप्त राशि = राशि − कर = ₹49,158.40।

  11. Compound Interest — Reverse principal hard

    11. If the compound amount after 3 years at 10% is ₹56,240, find the principal. (Set 391) / यदि 10% पर 3 वर्ष बाद चक्रवृद्धि राशि ₹56,240 है, तो मूलधन ज्ञात करें। (सेट 391)

    • A. ₹43,253.94
    • B. ₹41,253.94
    • C. ₹42,253.94 (Correct)
    • D. ₹43,261.54

    Explanation: P = A/1.1^3 = ₹42,253.94. / P = A/1.1^3 = ₹42,253.94।

  12. Compound Interest — Half-yearly hard

    12. A sum is compounded half-yearly at 18% p.a. for 3 years. Find CI on ₹38,000. (Set 392) / ₹38,000 राशि 18% वार्षिक दर से 3 वर्ष तक अर्धवार्षिक चक्रवृद्धि पर है। CI ज्ञात करें। (सेट 392)

    • A. ₹26,229.80
    • B. ₹25,729.80 (Correct)
    • C. ₹20,520
    • D. ₹25,229.80

    Explanation: Half-yearly rate = 9%, periods = 6. CI = 38000[(1.09)^6−1] = ₹25,729.80. / अर्धवार्षिक दर = 9%, अवधियाँ = 6। CI = 38000[(1.09)^6−1] = ₹25,729.80।

  13. Compound Interest — Successive CI rates

    13. A PO-level scheme compounds ₹33,000 at 8%, 10% and 12% in three successive years. Find total CI. (Set 393) / PO-स्तर की योजना में ₹33,000 पर तीन क्रमिक वर्षों में 8%, 10% और 12% चक्रवृद्धि लगती है। कुल CI ज्ञात करें। (सेट 393)

    • A. ₹10,408.48
    • B. ₹10,908.48 (Correct)
    • C. ₹9,900
    • D. ₹11,408.48

    Explanation: CI = 33000×1.08×1.10×1.12 − 33000 = ₹10,908.48. / CI = 33000×1.08×1.10×1.12 − 33000 = ₹10,908.48।

  14. Compound Interest — CI-SI three years

    14. For 3 years at 12% p.a., find CI−SI on ₹27,000. (Set 394) / ₹27,000 पर 12% वार्षिक दर से 3 वर्ष के लिए CI−SI ज्ञात करें। (सेट 394)

    • A. ₹1,113.06
    • B. ₹388.80
    • C. ₹1,213.06 (Correct)
    • D. ₹1,313.06

    Explanation: CI−SI = ₹10,933.06−₹9,720 = ₹1,213.06. / CI−SI = ₹10,933.06−₹9,720 = ₹1,213.06।

  15. Compound Interest — Quarterly two years

    15. Find CI on ₹23,000 for 2 years at 16% p.a. compounded quarterly. (Set 395) / ₹23,000 पर 16% वार्षिक दर से 2 वर्ष का CI ज्ञात करें, जब ब्याज त्रैमासिक हो। (सेट 395)

    • A. ₹8,177.09
    • B. ₹8,477.09 (Correct)
    • C. ₹7,360
    • D. ₹8,777.09

    Explanation: Quarterly rate = 4%, periods = 8. CI = 23000[(1.04)^8−1] = ₹8,477.09. / त्रैमासिक दर = 4%, अवधियाँ = 8। CI = 23000[(1.04)^8−1] = ₹8,477.09।

  16. Compound Interest — Compound growth and fall

    16. A fund grows by 20% in each of first two years but falls by 10% in the third year. If initial value is ₹33,000, find net gain/loss. (Set 396) / एक फंड पहले दो वर्षों में प्रत्येक वर्ष 20% बढ़ता है लेकिन तीसरे वर्ष 10% घटता है। प्रारंभिक मूल्य ₹33,000 है। शुद्ध लाभ/हानि ज्ञात करें। (सेट 396)

    • A. ₹9,568
    • B. ₹9,968
    • C. ₹42,768
    • D. ₹9,768 (Correct)

    Explanation: Final value = 33000×1.2×1.2×0.9 = ₹42,768; net gain = ₹9,768. / अंतिम मूल्य = 33000×1.2×1.2×0.9 = ₹42,768; शुद्ध लाभ = ₹9,768।

  17. Compound Interest — CI plus bonus

    17. A fixed deposit of ₹29,000 compounds at 10% for 2 years and then gets a bonus of ₹750. Find final amount. (Set 397) / ₹29,000 की FD 10% पर 2 वर्ष चक्रवृद्धि से बढ़ती है और फिर ₹750 बोनस मिलता है। अंतिम राशि ज्ञात करें। (सेट 397)

    • A. ₹36,140
    • B. ₹35,090
    • C. ₹35,540
    • D. ₹35,840 (Correct)

    Explanation: Final amount = 29000×1.1^2 + 750 = ₹35,840. / अंतिम राशि = 29000×1.1^2 + 750 = ₹35,840।

  18. Compound Interest — CI after tax

    18. A deposit of ₹43,000 earns 12% annual CI for 2 years. If 10% of interest is deducted as tax, what amount is received? (Set 398) / ₹43,000 जमा पर 12% वार्षिक CI 2 वर्ष के लिए मिलता है। यदि ब्याज का 10% कर कटता है, तो प्राप्त राशि कितनी होगी? (सेट 398)

    • A. ₹53,095.28
    • B. ₹52,845.28 (Correct)
    • C. ₹53,939.20
    • D. ₹52,595.28

    Explanation: CI = ₹10,939.20, tax = ₹1,093.92; received = amount − tax = ₹52,845.28. / CI = ₹10,939.20, कर = ₹1,093.92; प्राप्त राशि = राशि − कर = ₹52,845.28।

  19. Compound Interest — Reverse principal hard

    19. If the compound amount after 3 years at 10% is ₹56,240, find the principal. (Set 399) / यदि 10% पर 3 वर्ष बाद चक्रवृद्धि राशि ₹56,240 है, तो मूलधन ज्ञात करें। (सेट 399)

    • A. ₹43,253.94
    • B. ₹41,253.94
    • C. ₹43,261.54
    • D. ₹42,253.94 (Correct)

    Explanation: P = A/1.1^3 = ₹42,253.94. / P = A/1.1^3 = ₹42,253.94।

  20. Compound Interest — Half-yearly hard

    20. A sum is compounded half-yearly at 18% p.a. for 3 years. Find CI on ₹36,000. (Set 400) / ₹36,000 राशि 18% वार्षिक दर से 3 वर्ष तक अर्धवार्षिक चक्रवृद्धि पर है। CI ज्ञात करें। (सेट 400)

    • A. ₹24,375.60 (Correct)
    • B. ₹19,440
    • C. ₹23,875.60
    • D. ₹24,875.60

    Explanation: Half-yearly rate = 9%, periods = 6. CI = 36000[(1.09)^6−1] = ₹24,375.60. / अर्धवार्षिक दर = 9%, अवधियाँ = 6। CI = 36000[(1.09)^6−1] = ₹24,375.60।

  21. Compound Interest — Percentage / प्रतिशत

    21. 18% of 700 is: / 700 का 18% कितना है?

    • A. 116
    • B. 126 (Correct)
    • C. 136
    • D. 146

    Explanation: 18% = 18/100, so answer = 126. / प्रतिशत को 100 से भाग देकर मूल संख्या से गुणा करें।

  22. Compound Interest — Profit-Loss / लाभ-हानि

    22. An article bought for Rs 1050 is sold at 12.5% profit. Find SP. / Rs 1050 में खरीदी वस्तु 12.5% लाभ पर बेची गई। SP ज्ञात करें।

    • A. Rs 1141
    • B. Rs 1181 (Correct)
    • C. Rs 1221
    • D. Rs 1261

    Explanation: SP = CP x (100 + profit%)/100 = 1050 x 112.5/100 = Rs 1181. / लाभ प्रतिशत जोड़कर विक्रय मूल्य निकालें।

  23. Compound Interest — Time & Work / समय और कार्य

    23. A finishes a work in 24 days and B in 30 days. Together they finish in: / A 24 दिन और B 30 दिन में काम पूरा करते हैं। साथ में समय?

    • A. 12.3 days
    • B. 13.3 days (Correct)
    • C. 14.3 days
    • D. 15.3 days

    Explanation: Combined time = ab/(a+b) = 24 x 30 / 54 = 13.3 days. / संयुक्त कार्य में दरें जोड़ी जाती हैं।

  24. Compound Interest — Speed Conversion / चाल परिवर्तन

    24. 108 km/h equals: / 108 किमी/घंटा बराबर है:

    • A. 27 m/s
    • B. 30 m/s (Correct)
    • C. 33 m/s
    • D. 35 m/s

    Explanation: km/h to m/s conversion uses x 5/18. 108 x 5/18 = 30. / किमी/घंटा को मी/से में बदलने के लिए 5/18 से गुणा करें।

  25. Compound Interest — Simplification / सरलीकरण

    25. Simplify: 20 x 12 + 20 - 12. / सरल करें: 20 x 12 + 20 - 12.

    • A. 240
    • B. 248 (Correct)
    • C. 256
    • D. 264

    Explanation: Apply BODMAS: 240 + 20 - 12 = 248. / पहले गुणा, फिर जोड़-घटाव करें।