Quantitative Aptitude: Simplification Questions Set 86

  1. Simplify: 6363 x 9999
    4545900
    63623637
    66623637
    63623666
    63623688
    Option B
    63630000 – 6363 = 63623637

     

  2. 3034 – (1002/20.04)
    2984
    3490
    3345
    2345
    1234
    Option A
    3034/( 1002/20.04) = 3034 /( 1002/2004) x 100 = 3034- 50 = 2984

     

  3. If 5^n =46625 then 5^ n-2 =?
    1865
    1123
    1456
    4356
    2378
    Option A
    5 ^n-2 = 5 ^n/ 5 ^2 = 46625/25 =1865

     

  4. If (64 ^2) – (36^ 2) = 20 x X .Find the value of X?
    140
    456
    120
    320
    140
    Option E
    20 x X = (64 2) – (36 2)
    = ( 64 + 36) (64 -36) = 100 x 28 =2800
    X= 2800/20 =140

     

  5. 57% of 501 -131.17 =? – 25%of 599
    366
    266
    566
    466
    166
    Option C
    57% of 501 -131.17 =? – 25%of 599
    57*500/100 -131 =? – 25 * 600/100
    285-131=? -150
    ?=566

     

  6. √840.89 × 2.56 + 119.9% of 449.7 – 179.80% of 779.9 + 59.9% of 1800 = ?
    101
    202
    303
    404
    505
    Option C
    √841*3+120% of 450-180% of 780+60% of 1800=?
    29*3 +120/100 * 450 – 180/100 * 780 + 60/100 * 1800 =?
    87+540-1404+1080=?
    303=?

     

  7. 24.67% of 779.56 + √3248.55× 11.98 + 864.76=?
    1744
    1675
    1677
    1355
    1789
    Option A
    25% of 780 + √3249 * 12 + 865=?
    195 + 684 + 865=?
    1744=?

     

  8. 3(3/4) + 4(2/5) – 3(1/8) + 6(2/5) = ?
    15(57/40)
    10(57/50)
    10(54/40)
    11(57/40)
    10(57/40)
    Option E
    3(3/4) + 4(2/5) – 3(1/8) + 6(2/5) = ?
    (3+4-3+6) (3/4+2/5-1/8+2/5)=?
    10(57/40) = ?

     

  9. 15.008% of 600.123 + 22.22 % of 650.005 + 147.112 = ?
    170
    560
    380
    234
    420
    Option C
    (15/100) * 600 + (22/100) * 650 + 147 = ?
    90 + 143 + 147 = ?
    380 = ?

     

  10. 23.34 × 15.09 – 60.12 + (? ÷ 31.08) = 292.113
    431
    217
    230
    456
    112
    Option B
    285 + (? ÷ 31) = 292
    ? = 217

     

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