Simplifications/Approximations

Direction: What is the approximate value in the place of questions mark (?) in the following questions ?

  1. 887.97÷12.06*√16.05-36=?
    268
    260
    280
    300
    240
    Option B
    888/12*4-36=?
    ?=296-36=260

     

  2. ?^2+56.01-24*5.99=168.01
    16
    15
    13
    20
    24
    Option A
    168+144-56=?^2
    ?=16^2

     

  3. 45.01% of 4500÷15.05+139.88-220.01=?
    60
    65
    55
    70
    85
    Option C
    2025/15+140-220=?
    135+140-220=55

     

  4. (7.99)^2+(10.01)^2-(18.05)^2+(12.99)^2=?
    15
    13
    9
    12
    28
    Option C
    8^2+10^2-18^2+13^2=?
    64+100-324+169=?
    ?=9

     

  5. 539.98/?=?/60.01
    200
    160
    120
    180
    200
    Option D
    ?^2=540*60
    ?^2=540*60
    ?=180

     

  6. Direction: What will come in the of questions mark(?) in the following questions.

  7. 36% of 1000+42% of 3000=?-180+1050
    750
    650
    850
    950
    550
    Option A
    360+1260+180-1050=750

     

  8. 5/11 of 1331+4/9 of 270=30% of 400+30+?
    680
    575
    675
    550
    740
    Option B
    605+120-120-30=?
    ?=575

     

  9. 2748+1323-2238-1235+3248=?
    3646
    3948
    3748
    3846
    2896
    Option D
    7319-3473=3846

     

  10. 4515÷15+324-25% of 1200=?
    325
    425
    320
    440
    345
    Option A
    301+324-300=325

     

  11. 48/3*45/80*1/9+135-40=?
    118
    105
    78
    96
    120
    Option D
    48/3*45/80*1/9+135-40=?
    1+135-40=96

     


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