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Simplification & Approximation Test 16
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Simplification & Approximation Test 16

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Batch 4 | Govt Exams

Simplification & Approximation Test 16

25 bilingual MCQs from Simplification & Approximation, including 5 fresh LearnAtMyPlace original supplemental questions with detailed solutions. Built for SSC, RRB and banking practice with preserved Hindi, ₹, ×, %, m², cm³ and reasoning symbols.

Questions
25
Duration
25 min
Marking
+1 / -0.25
Sections
Simplification & Approximation | 25 questions

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Preview all 25 questions in Simplification & Approximation Test 16 (no login required)
  1. Simplification & Approximation — Percentage simplification

    1. Find 47% of 431. / 431 का 47% ज्ञात करें।

    • A. 249.57
    • B. 202.57 (Correct)
    • C. 9.17
    • D. 155.57

    Explanation: 47% of 431 = 47/100×431 = 202.57. / 431 का 47% = 47/100×431 = 202.57।

  2. Simplification & Approximation — Division simplification

    2. Simplify: 147 ÷ 7 + 16. / सरलीकृत करें: 147 ÷ 7 + 16।

    • A. 37 (Correct)
    • B. 21
    • C. 6.39
    • D. 44

    Explanation: 147÷7=21; result = 21+16 = 37. / 147÷7=21; परिणाम = 21+16 = 37।

  3. Simplification & Approximation — Multiplication division

    3. Simplify: 27 × 5 ÷ 5. / सरलीकृत करें: 27 × 5 ÷ 5।

    • A. 32
    • B. 22
    • C. 54
    • D. 27 (Correct)

    Explanation: 27×5=135; divide by 5: result = 27. / 27×5=135; 5 से भाग: परिणाम = 27।

  4. Simplification & Approximation — Approx/percentage

    4. Increase 1578 by 9%. / 1578 में 9% की वृद्धि करें।

    • A. 1711.02
    • B. 1435.98
    • C. 1729.02
    • D. 1720.02 (Correct)

    Explanation: New value = 1578×(100+9)/100 = 1720.02. / नया मान = 1578×(100+9)/100 = 1720.02।

  5. Simplification & Approximation — Approx/percentage

    5. Decrease 1755 by 20%. / 1755 में 20% की कमी करें।

    • A. 1424
    • B. 2106
    • C. 1404 (Correct)
    • D. 1384

    Explanation: New value = 1755×(100-20)/100 = 1404. / नया मान = 1755×(100-20)/100 = 1404।

  6. Simplification & Approximation — Powers

    6. Simplify: 13³ - 11². / सरलीकृत करें: 13³ - 11²।

    • A. 2065
    • B. 2076 (Correct)
    • C. 2318
    • D. 2089

    Explanation: 13³=2197 and 11²=121; result = 2197-121=2076. / 13³=2197 और 11²=121; परिणाम = 2197-121=2076।

  7. Simplification & Approximation — Approximation

    7. Approximate: 102% of 77 + 98% of 57. / लगभग मान ज्ञात करें: 77 का 102% + 57 का 98%।

    • A. 139
    • B. 129
    • C. 135
    • D. 134 (Correct)

    Explanation: 102% of 77 ≈ 78.54; 98% of 57 ≈ 55.86; approximate total ≈ 134. / 77 का 102% ≈ 78.54; 57 का 98% ≈ 55.86; लगभग कुल ≈ 134।

  8. Simplification & Approximation — Identity

    8. Simplify using identity: (4+9)(4-9). / सर्वसमिका से सरलीकृत करें: (4+9)(4-9)।

    • A. 169
    • B. 25
    • C. 97
    • D. -65 (Correct)

    Explanation: (a+b)(a-b)=a²-b²=16-81=-65. / (a+b)(a-b)=a²-b²=16-81=-65।

  9. Simplification & Approximation — Missing simplification

    9. What will come in place of the question mark: 383 ÷ 11 - 29 = ___ /? के स्थान पर क्या आएगा: 383 ÷ 11 - 29 = ___

    • A. -21.28
    • B. -23.18
    • C. 34.82
    • D. 5.82 (Correct)

    Explanation: 383÷11=34.82; subtract 29; result = 5.82. / 383÷11=34.82; 29 घटाने पर परिणाम = 5.82।

  10. Simplification & Approximation — BODMAS with square

    10. Simplify: (15 + 5 - 3)². / सरलीकृत करें: (15 + 5 - 3)²।

    • A. 255
    • B. 289 (Correct)
    • C. 323
    • D. 400

    Explanation: First simplify bracket: 15+5-3 = 17; square = 289. / पहले कोष्ठक सरल करें: 15+5-3 = 17; वर्ग = 289।

  11. Simplification & Approximation — Simplification

    11. Set 40311: Simplify 331 + 6 x 9 / 3. / ??? 40311: 331 + 6 x 9 / 3 ?? ???

    • A. 349 (Correct)
    • B. 343
    • C. 355
    • D. 361

    Explanation: First 6 x 9 / 3 = 18, so total is 349.

  12. Simplification & Approximation — Simplification

    12. Set 40312: Simplify 332 + 6 x 9 / 3. / ??? 40312: 332 + 6 x 9 / 3 ?? ???

    • A. 350 (Correct)
    • B. 344
    • C. 356
    • D. 362

    Explanation: First 6 x 9 / 3 = 18, so total is 350.

  13. Simplification & Approximation — Simplification

    13. Set 40313: Simplify 333 + 6 x 9 / 3. / ??? 40313: 333 + 6 x 9 / 3 ?? ???

    • A. 351 (Correct)
    • B. 345
    • C. 357
    • D. 363

    Explanation: First 6 x 9 / 3 = 18, so total is 351.

  14. Simplification & Approximation — Simplification

    14. Set 40314: Simplify 334 + 6 x 9 / 3. / ??? 40314: 334 + 6 x 9 / 3 ?? ???

    • A. 352 (Correct)
    • B. 346
    • C. 358
    • D. 364

    Explanation: First 6 x 9 / 3 = 18, so total is 352.

  15. Simplification & Approximation — Simplification

    15. Set 40315: Simplify 335 + 6 x 9 / 3. / ??? 40315: 335 + 6 x 9 / 3 ?? ???

    • A. 353 (Correct)
    • B. 347
    • C. 359
    • D. 365

    Explanation: First 6 x 9 / 3 = 18, so total is 353.

  16. Simplification & Approximation — Simplification

    16. Set 40316: Simplify 336 + 6 x 9 / 3. / ??? 40316: 336 + 6 x 9 / 3 ?? ???

    • A. 354 (Correct)
    • B. 348
    • C. 360
    • D. 366

    Explanation: First 6 x 9 / 3 = 18, so total is 354.

  17. Simplification & Approximation — Simplification

    17. Set 40317: Simplify 337 + 6 x 9 / 3. / ??? 40317: 337 + 6 x 9 / 3 ?? ???

    • A. 355 (Correct)
    • B. 349
    • C. 361
    • D. 367

    Explanation: First 6 x 9 / 3 = 18, so total is 355.

  18. Simplification & Approximation — Simplification

    18. Set 40318: Simplify 338 + 6 x 9 / 3. / ??? 40318: 338 + 6 x 9 / 3 ?? ???

    • A. 356 (Correct)
    • B. 350
    • C. 362
    • D. 368

    Explanation: First 6 x 9 / 3 = 18, so total is 356.

  19. Simplification & Approximation — Simplification

    19. Set 40319: Simplify 339 + 6 x 9 / 3. / ??? 40319: 339 + 6 x 9 / 3 ?? ???

    • A. 357 (Correct)
    • B. 351
    • C. 363
    • D. 369

    Explanation: First 6 x 9 / 3 = 18, so total is 357.

  20. Simplification & Approximation — Simplification

    20. Set 40320: Simplify 340 + 6 x 9 / 3. / ??? 40320: 340 + 6 x 9 / 3 ?? ???

    • A. 358 (Correct)
    • B. 352
    • C. 364
    • D. 370

    Explanation: First 6 x 9 / 3 = 18, so total is 358.

  21. Simplification & Approximation — Percentage / प्रतिशत

    21. 15% of 525 is: / 525 का 15% कितना है?

    • A. 68.75
    • B. 78.75 (Correct)
    • C. 88.75
    • D. 98.75

    Explanation: 15% = 15/100, so answer = 78.75. / प्रतिशत को 100 से भाग देकर मूल संख्या से गुणा करें।

  22. Simplification & Approximation — 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।

  23. Simplification & Approximation — 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।

  24. Simplification & Approximation — 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।

  25. Simplification & Approximation — Simplification / सरलीकरण

    25. Simplify: 22 x 13 + 22 - 13. / सरल करें: 22 x 13 + 22 - 13.

    • A. 287
    • B. 295 (Correct)
    • C. 303
    • D. 311

    Explanation: Apply BODMAS: 286 + 22 - 13 = 295. / पहले गुणा, फिर जोड़-घटाव करें।