Quantitative Aptitude: Simplification Questions Set 80

Directions(1-10): What value will come in place of question mark ‘?’ in the following questions.

  1. 336/14 – 378/9 + 552/12 = ?
    20
    15
    17
    28
    19
    Option D
    336/14 – 378/9 + 552/12 = ?
    =>24 – 42 + 46 = ?
    =>? = 28

     

  2. 20% of ? = 12% of 625
    300
    312
    375
    320
    330
    Option C
    20% of ? = 12% of 625
    =>75 = 20% of ?
    =>? = 375

     

  3. (576)^1/2 + (?)^1/2 – (2197)^1/3 = (484)^1/2
    125
    121
    120
    118
    110
    Option B
    (576)^1/2 + (?)^1/2 – (2197)^1/3 = (484)^1/2
    =>24 + (?)^1/2 – 13 = 22
    =>? = 121

     

  4. 6^3 + ? – 15^2 = 5^3 + 13^2
    313
    309
    315
    303
    318
    Option D
    6^3 + ? – 15^2 = 5^3 + 13^2
    =>216 + ? – 225 = 125 + 169
    =>? – 9 = 294
    =>? = 303

     

  5. 134 + 165 + ? – 105 = 194 + 152
    125
    130
    128
    139
    152
    Option E
    134 + 165 + ? – 105 = 194 + 152
    =>299 + ? – 105 = 346
    =>194 + ? = 346
    =>? = 152

     

  6. 384/ 12 + 8^2 – 25% of 240 =?
    44
    48
    36
    37
    30
    Option C
    384/ 12 + 8^2 – 25% of 240 =?
    =>? = 32 + 64 – 0.25*240
    =>? = 96 – 60
    =>? = 36

     

  7. 3072/ 8/ 4/ 2 = ?
    40
    51
    62
    48
    39
    Option D
    3072/ 8/ 4/ 2 = ?
    =>? = 384/ 4/ 2
    =>? = 96/2
    =>? = 48

     

  8. 15+32 + ? = 16*6
    53
    42
    61
    57
    49
    Option E
    15+32 + ? = 16*6
    =>? + 47 = 96
    =>? = 49

     

  9. 16% of 625 – 12% of 450 = 25% of ?
    184
    198
    177
    180
    191
    Option A
    16% of 625 – 12% of 450 = 25% of ?
    =>100 – 54 = 25% of ?
    => ? = 184

     

  10. 13*5 + ? – 7*12 = 18*15
    271
    296
    285
    277
    289
    Option E
    13*5 + ? – 7*12 = 18*15
    => 65 + ? – 84 = 270
    =>? – 19 = 270
    =>? = 289

     


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