Simplification 4

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1. 572 ÷ 26 x 12 – 200 = 2? 
   A. 5
   B. 3
   C. 6
   D. 7
   E. None of these
   
   Answer & Explanation

   Answer – C. 6
   Explanation :
   572 ÷ 26 = 22
   22 x 12 = 264
   264 – 200 = 64 = 26
2. 43931.03 ÷ 2011.02 x 401.04 = ?
   A. 7500
   B. 8300
   C. 8800
   D. 8850
   E. None of these
   
   Answer & Explanation

   Answer – C. 8800
   Explanation :
   (44000 ÷ 2000) x 400 = 8800
3. [(3√8 + √8) x (8√8 + 7√8)] – 98 = ?
   A. 352
   B. 382
   C. 362
   D. 372
   E. None of these
   
   Answer & Explanation

   Answer – B. 382
   Explanation :
   [√8(3 + 1) x √8(8 + 7)] – 98
   [4√8 x 15√8] – 98
   480 – 98 = 382
4. (23.1)2 + (48.6)2 – (39.8)2 = ? + 1147.69
   A. 185.84
   B. 175.84
   C. 135.84
   D. 163.84
   E. None of these
   
   Answer & Explanation

   Answer – D. 163.84
   Explanation :
   533.61 + 2361.96 – 1584.04 = ? + 1147.69
   1311.53 – 1147.69 = 163.84
5. 3463 × 295 – 18611 = ? + 5883
   A. 997071
   B. 997091
   C. 999090
   D. 997090
   E. None of these
   
   Answer & Explanation

   Answer – B. 997091
   Explanation :
   3463 × 295 = 1021585
   1021585 – (18611 + 5883) = 997091
6. √7378 x √1330 ÷ √660 = ?
   A. 130
   B. 120
   C. 160
   D. 170
   E. None of these
   
   Answer & Explanation

   Answer –B. 120
   Explanation :
   √7378 ≈ 86; √1330 ≈ 36; √660 ≈ 26
   86 x 36 ÷ 26
7. 6999 ÷ 70.005 x 94.998 = ? x 19.999
   A. 475
   B. 380
   C. 640
   D. 720
   E. None of these
   
   Answer & Explanation

   Answer – A. 475
   Explanation :
   7000 ÷ 70 x 95 = ? x 20 ≈ 475
8. 89.988% of 699.9 + 50.002% of 999.99 – 170.015 = ?
   A. 950
   B. 930
   C. 960
   D. 970
   E. None of these
   
   Answer & Explanation

   Answer C. 960
   Explanation :
   ≈ (700 * (90/100) + 1000 * (50/100)) – 170
   ≈ 630 + 500 – 170 ≈ 960
9. √(72 x 24 x 2 -(11)³ + 3) = ?
   A. 52
   B. 32
   C. 62
   D. 72
   E. None of these
   
   Answer & Explanation

   Answer – B. 32
   Explanation :
   √(2352 – 1331 + 3) = √1024 =32
10. 65% of √3136 x 5 = ? + 154
    A. 56
    B. 28
    C. 35
    D. 32
    E. None of these
    
    Answer & Explanation

    Answer – B. 28
    Explanation :
    (65/100)*56*5 = ? + 154
    182 – 154 = 28