Quantitative Aptitude: Simplification Questions Set 4

Ambika

What approximate value should come in place of question mark (?) in the following questions?

  1. 286.04×11.646+65.37×54.08=?+137.989
    A)  7000
    B)  6750
    C)  6800
    D) 6700
    E) 6680
    View Answer
      Option C
    Solution:
    ?+137.989=286.04×11.646+65.37×54.08
    286×12 + 65×54
    3432+3510 = 6942
    Or, ?+138 = 6942
     ?=6942-138=6804 = 6800
                   
  2. 85943 – 71206 + 37517 – 3512 + 119 = ?
    A) 48870
    B) 43780
    C) 42680
    D) 46590
    E) None of these.
    View Answer
      Option A
    Solution:
    85940 – 71200 + 37520 – 3510 + 120 = 48870
                   
  3. 20440÷639.890=√(?)
    A)  984
    B)  1110
    C) 900
    D) 1084
    E) 1200
    View Answer
      Option D
    Solution:
    √(?) = 20440÷640 = 31.99 = 32 = 32×32 = 1084
                   
  4. 122.05% of 120+149.99% of 150=?
    A)  371
    B)  380
    C)  350
    D) 385
    E) 360
    View Answer
      Option A
    Solution:
    (122×120/100)+(150×150/100)
     = (146.4+225)
    = 371.4 = 371
                   
  5. (9.899)3×(2.399)2×(4.005)4=?
    A)  144800
    B) 140000
    C) 1428200
    D) 1458000
    E) None of these.
    View Answer
      Option C
    Solution:
    (9.9)3×(2.4)2×(4)4 =
    (970.299)×(5.76)×256
     (970.3)×(5.75)×256 = 1428281.6 = 1428200
                   
  6. 999.99÷25.012 = ? – 235.448
    A) 265
    B) 255 
    C) 275
    D) 285
    E) None of these.
    View Answer
      Option C
    Solution:
    1000/ 25 = ? – 235
    40 = ? – 235
    ? = 235+40 = 275
                   
  7. 633.72-569.21÷(11.9% of 80)=?
    A)  6.667
    B)  575
    C) 7
    D) 600
    E) None of these.
    View Answer
      Option B
    Solution:
    ?    =633.72-569.21÷(11.9% of 80)  = 634-570÷(80×12)/100 = 634-570/9.6 =634 – 59.375 =575 (appx)
                   
  8. 67.99 -11.78 + 19.63 =? + 22.41
    A)  56
    B)  54
    C)  58
    D)  60
    E)  52
    View Answer
      Option B
    Solution:
    67.99 -11.78 + 19.63 =?+ 22.41
    68 – 12+20 = ? + 22  = 88-12 -22 = 54
                  
  9. (49.999)2+(59.96)2+(64.501)2 =?
    A)  16425
    B)  12369
    C)  10260
    D)  13425
    E)  None of these.
    View Answer
      Option C
    Solution:
    ?=(500)2+(60)2+(64.5)2 = 2500+3600+4160.25 = 10260
                  
  10. √1225 +  √2209 –  √5329 =  √?
    A)  81
    B)  9
    C) 18
    D) 729
    E) None of these.
    View Answer
      Option B
    Solution:
    √1225 +  √2209 –  √5329 =  √?
    35+47-73 = 9=  √81
                   

 

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20 Thoughts to “Quantitative Aptitude: Simplification Questions Set 4”

  1. hi
    July 9, 2017 at 2:25 pm

    Tq;))

  2. M@nish...
    July 9, 2017 at 5:04 pm

    ans 9 and 5 is wrong

    1. _/_
      July 9, 2017 at 5:09 pm

      same here

    2. ครђ
      July 10, 2017 at 1:23 am

      >for Ques 9…
      2500+3600+4096=10196 which is nearest to option C

      >Ques 5 me doubt hai 😛

    3. Ambika
      July 11, 2017 at 1:34 am

      both are correct
      2500+3600+4096=10196 which is nearest to option C as said by ashu

      and 5 me 9.89 ko 9.9 tak hi kro appx 10 nhi
      option near hain to jyada appx ni karna chahiye variance jyada ayega usse

  3. _/_
    July 9, 2017 at 5:09 pm

    ty

  4. Pawan
    July 9, 2017 at 8:28 pm

    please check ques 2 option should b E

  5. Pawan
    July 9, 2017 at 8:30 pm

    3 rd qustion it should b 1024

    1. ครђ
      July 10, 2017 at 1:17 am

      Yes…approximation lena hai na to it would be 1084 🙂

  6. Sourav
    July 9, 2017 at 10:19 pm

    Ye IBPS PO ka jo notification sb jagah aaya hai ye real ya fake hai???

    1. ครђ
      July 10, 2017 at 1:15 am

      Officially aisa kuch nahi aaya hai abhi …wait for it 🙂

  7. ครђ
    July 10, 2017 at 1:14 am

    Thanks Ambika Ma’am 🙂 🙂

  8. MiMi
    July 10, 2017 at 7:38 am

    thnk u :))

  9. jaga
    July 10, 2017 at 9:55 am

    Thqnk u

  10. swati
    July 18, 2017 at 10:51 am

    thank you team AZ provide more sets

  11. blossom??☔️
    July 21, 2017 at 12:48 pm

    286.04×11.646+65.37×54.08=?+137.989
    A) 7000
    B) 6750
    C) 6800
    D) 6700
    E) 6680

    If we do exactly we get 6728.44..!!
    Ans 6800..Approximately means should be Atleast near na..This much diff btwn exact value to approx..That too other options there which are near 6700 and 6750..!!

  12. Ayushi
    July 27, 2017 at 9:32 pm

    mam 2nd ka ans toh 48861 h

    1. Shubhra
      July 27, 2017 at 11:33 pm

      yes

  13. karthik
    August 11, 2017 at 3:05 pm

    8th answer is E not B

  14. illuminati join
    August 15, 2023 at 10:49 pm

    988591 446438Music started playing anytime I opened this internet website, so annoying! 890679

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