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Friday, August 21, 2020

SIMPLIFICATION 7:

 SIMPLIFICATION 7:

  1. 572 ÷ 26 x 12 – 232 = 2?
    A. 5
    B. 3
    C. 6
    D. 7
    E. None of these
    Answer – A. 5
    Explanation :
    572 ÷ 26 = 22
    22 x 12 = 264
    264 – 232 = 32 = 25

  2. 44000 ÷ 2000 x 400 ÷ 20= ?
    A. 340
    B. 440
    C. 880
    D. 580
    E. None of these
    Answer – B. 440
    Explanation :
    (44000 ÷ 2000) x 400 ÷ 20 = 440

  3. [(5√6 + √6) x (16√6 + 9√6)] – 96 = ?
    A. 704
    B. 804
    C. 606
    D. 806
    E. None of these
    Answer – B. 804
    Explanation :
    [(5√6 + √6) x (16√6 + 9√6)] – 96
    [√6(5 + 1) x √6(16 + 9)] – 96
    900 – 96 = 804

  4. (23.1)2 + (48.6)2 – (39.8)2 = 163.84  + ?
    A. 1147.69
    B. 1175.84
    C. 1135.84
    D. 1163.84
    E. None of these
    Answer – A. 1147.69
    Explanation :
    533.61 + 2361.96 – 1584.04 = 163.84 + ?
    1311.53 – 163.84 = 1147.69

  5. 3263 × 246 – 18611 = ? + 5883
    A. 897071
    B. 778204
    C. 989090
    D. 797090
    E. None of these
    Answer – B. 778204
    Explanation :
    3263 × 246 = 802698
    802698 – (18611 + 5883) = 778204

  6. √7396 x √1296 ÷ √676 = ?
    A. 130
    B. 119
    C. 160
    D. 170
    E. None of these
    Answer –B. 119
    Explanation :
    √7378 = 86; √1296 = 36; √676 = 26
    86 x 36 ÷ 26 = 119

  7. 7000 ÷ 70 * 95 = ? * 20
    A. 475
    B. 380
    C. 640
    D. 720
    E. None of these
    Answer – A. 475
    Explanation :
    7000 ÷ 70 x 95 = ? x 20 = 475

  8. 90% of 700 + 50% of 1000 – 170 = ?
    A. 950
    B. 930
    C. 960
    D. 970
    E. None of these
    Answer C. 960
    Explanation :
    = (700 * (90/100) + 1000 * (50/100)) – 170
    = 630 + 500 – 170 = 960

  9. √(72 x 24 x 2 -(11)³ + 68) = ?
    A. 53
    B. 33
    C. 63
    D. 73
    E. None of these
    Answer – B. 33
    Explanation :
    √(2352 – 1331 + 68) = √1089 =33

  10. 35% of √3136 x 5 = ? + 54
    A. 46
    B. 48
    C. 44
    D. 42
    E. None of these
    Answer – C. 44
    Explanation :
    (65/100)*56*5 = ? + 54
    98 – 54 = 44

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