Aptitude Questions: Simplification Set 21

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1. (32.3)² ÷ 4 + √361 = ?² + 50
   1.15
   2.13
   3.11
   4.17
   5.None of these
   
   Answer & Explanation

   Answer – 1.15
   Explanation :
   32*32 = 1024
   1024/4 + 19 = 256+19= 275
   
   
   
2. 5742÷22× √ ? – 1290.76 = 536.24
   1.121
   2.25
   3.36
   4.49
   5.None of these
   
   Answer & Explanation

   Answer – 4.49
   Explanation :
   261* ? -1290.76 = 536.24
   261*? = 1827
   ? = 7
   √ ? = 49
   
   
   
3. 54 % 7865 + 17 % 532 – 39 % 4269 = ?
   1.2072.35
   2.2420.76
   3.2672.63
   4.2570.36
   5.None of these
   
   Answer & Explanation

   Answer – 3.2672.63
   Explanation :
   4247.1+90.44-1664.91 = 2672.63
   
   
   
4. 1/(729)^2/3 * 1/ (1296)^1/4 ÷ 1/(2187)^2/7 = ?
   1.1/45
   2.1/54
   3.2/61
   4.3/75
   5.None of these
   
   Answer & Explanation

   Answer – 2.1/54
   Explanation :
   1/81 * 1/6 ÷  1/9 = 9/81*6 = 1/54
   
   
   
5. 256×256 + 173×173 = ?
   1.96432
   2.94465
   3.95465
   4.90510
   5.None of these
   
   Answer & Explanation

   Answer – 3.95465
   Explanation :
   a²+b² = [(a+b)² +(a-b)² ] / 2
   ? = 184041 + 6889
   ? = 95465
   
   
   
6. √ (191×7+231-839) = ?
   1.27
   2.33
   3.23
   4.37
   5.None of these
   
   Answer & Explanation

   Answer – 1.27
   Explanation :
   1337+231-839 = 729
   27*27 = 729
   
   
   
7. [3/2 + 2(1/5) – 7/10] of ? =  1098
   1.463
   2.326
   3.276
   4.366
   5.None of these
   
   Answer & Explanation

   Answer – 4.366
   Explanation :
   [15+22-7/10] * x = 1098
   X = 1098/3 = 366
   
   
   
8. 0.9775 + 999.98+98.750 – 9999.099 = ?
   1.-8899.39
   2.9877.92
   3.8999.93
   4.8899.39
   5.None of these
   
   Answer & Explanation

   Answer -1.-8899.39
   Explanation :
   1099.7075-9999.099= -8899.39
   
   
   
9. (1675÷5) + (5328÷12) * (8430÷15) = ?² – 235
   1.152
   2.138
   3.158
   4.142
   5.None of these
   
   Answer & Explanation

   Answer – 3.158
   Explanation :
   335+444*56 = 24864+335 = 25199 – 235 = 24964
   158*158 = 24964
   
   
   
10. 17.006*0.001+21.101-31.900 = ?
    1.12.990
    2.-10.782
    3.11.882
    4.-12.782
    5.None of these
    
    Answer & Explanation

    Answer – 2.-10.782
    Explanation :
    0.017006+21.101 = 21.118
    21.118-31.900 = -10.782
    
    
    

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