Speed Maths 3 | Arithmetic | Quantitative Aptitude | CAT PREPARATION 2024

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  • Опубликовано: 7 фев 2019
  • CAT PREPARATION 2024 I QUANTITATIVE APTITUDE PREPARATION
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Комментарии • 358

  • @nikhilverma2940
    @nikhilverma2940 3 года назад +448

    Sir, 7th question - 112 - 11 = 101 , then carry 2 so left side would be 99 and right right 200- 132 = 68 . So Ans= 9968 ......

  • @swahasatyarupamohapatra3922
    @swahasatyarupamohapatra3922 4 года назад +406

    112-11=101 sir 7th question

  • @mirtariq7676
    @mirtariq7676 6 месяцев назад +44

    We are not learning it for the sake of happiness. How far a statement and the truth inside it 😂😂😂 you nailed it sir

  • @souvikdhara3905
    @souvikdhara3905 Год назад +46

    Sir at 15:50 7th question : 112 - 11 = 101 , then carry 2 so left side would be 99 and right right 200- 132 = 68 . So Ans= 9968
    please check this.

  • @garvmehta6436
    @garvmehta6436 Год назад +83

    sir in 7th question there is a slight mistake it will not be 111 it will be 101 and subtracting 2 it will be 99 so the answer would be 9968
    Thank you so much sir for explaining these topics so easily its is very helpful for us

    • @CodeNectar620
      @CodeNectar620 8 месяцев назад +1

      in this problem we can follow previous rule by subtracting 101-1=100, right side -32. Now, Rhs 100-32=68, Lhs 100-1=99. Final Answer is 9968

    • @maitahom9958
      @maitahom9958 7 месяцев назад

      @@CodeNectar620 Ye logic sab me nhi chalega viru

    • @Fhferenity
      @Fhferenity 7 месяцев назад

      yes its 9968

    • @parvathymarangattu7097
      @parvathymarangattu7097 2 месяца назад

      It's is 9968

  • @ketanshingare2683
    @ketanshingare2683 5 лет назад +96

    112*89=9968 please correct it

  • @jplambert8212
    @jplambert8212 3 года назад +108

    I really appreciate sir for posting whole material of Quants on RUclips for free. Also, the guys who are pointing out mistakes in the videos, I think you should correct it, as these are very small mistakes and can happen with anyone.
    Again Thank You Sir for providing these videos for free.

    • @MBA_DREAMER
      @MBA_DREAMER 2 года назад +1

      Where r materials ??

    • @Pallavshukla
      @Pallavshukla Год назад

      @@MBA_DREAMER you are noob bro if you don't understand normal logical things then god is your savior

  • @hirosiquatico5166
    @hirosiquatico5166 2 года назад +30

    Sir, gave us lesson that no matter calculation is done but we should always calculate by our own.☺

  • @manavim3093
    @manavim3093 2 года назад +7

    I Appreciate the way you are teaching, it doesn't feel like i am learning from a yt video.
    Really appreciate your teaching sir 👍🏼
    Thankyou so much

  • @radhikamaheshwari2788
    @radhikamaheshwari2788 3 года назад +7

    Awesome explanation sir, hats off to you
    ❤️🖤

  • @MonotonousLifeEnjoyer
    @MonotonousLifeEnjoyer Год назад +14

    daily dose of appreciating you sir❣

  • @shraddhagoenka2615
    @shraddhagoenka2615 Год назад +2

    Can we use the multiplication shortcut for all the cases? Or just for the numbers close to various 10 bases?

  • @__eleha___
    @__eleha___ Год назад +3

    I Just wanna say that sir you are perfect💯👍 keep going
    May God bless you

  • @abhishekkumar-kd5ps
    @abhishekkumar-kd5ps 4 года назад +3

    thank you sir for your nice explanation of all the topics till now and especially prime no ,AWESOME

  • @krishnachoudhary9500
    @krishnachoudhary9500 Год назад +4

    Are these all the videos related to the quant chapters? The way you concluded the fourth and final lecture of 'speed math' suggested that there might be more videos following it. It appears that they have not been uploaded to this channel. I felt the same while doing time and work. Please clarify, sir.

  • @letsstory-onlylisten8300
    @letsstory-onlylisten8300 3 года назад +74

    Sir's sarcastic expression at 4:45 while saying" we aren't learning it for the sake of happiness… " made me laugh twice 😂

    • @rishabhyadav8119
      @rishabhyadav8119 3 года назад +9

      exam me hua ki nahi ki bus has has ke exam me bhi time pass kar diye

    • @ripshivraj
      @ripshivraj Год назад

      kuch bhi kya chutye

    • @NitroAcr1d
      @NitroAcr1d Год назад +4

      @@rishabhyadav8119 kuch logo ki khushi doosro se dekhi nahi jaati
      Aur batao exam me hua ki?

    • @Vineet0078
      @Vineet0078 Год назад

      @@rishabhyadav8119 LOL

    • @Vineet0078
      @Vineet0078 Год назад

      @@NitroAcr1d Chill its a joke

  • @sushilkumarjakhad4439
    @sushilkumarjakhad4439 3 года назад +10

    Sir in ex no 7
    112*89=9968 not 10968 plz correct it

  • @suryavoroy3527
    @suryavoroy3527 Год назад +1

    To eliminate sign carry 1 from left to right in case of minus sign

  • @ishikasgallery4578
    @ishikasgallery4578 4 года назад +7

    Sir... It's really very helpful

  • @rupashreenth
    @rupashreenth 2 года назад +7

    Thank you so much sir. You are the best educator. You explain in such a way that anybody can understand the toughest topics. The way you have been giving us all the CAT related content & that too free of cost is just truly commendable. We will be forever grateful for your hard work sir. May God fulfill all your wishes 🙏

  • @kashish_2005
    @kashish_2005 Год назад +2

    Amazing concept 👌 ✨️

  • @shrutikumarimishra5342
    @shrutikumarimishra5342 2 года назад +3

    Thankyou so much sir ❤️ you are great !!🙏

  • @namansharma2721
    @namansharma2721 4 месяца назад

    Amazing Concept! Thank you sir!

  • @arnabsaha2021
    @arnabsaha2021 4 года назад +3

    Fantastic teaching

  • @souravdeb8882
    @souravdeb8882 Год назад

    Where can I get the remaining video, like the problems of Other bases? Is any video available?

  • @sangmeshbhatmurgi
    @sangmeshbhatmurgi 5 месяцев назад +1

    The session was really great sir!! thankyou

  • @rithikadevadiga4601
    @rithikadevadiga4601 3 года назад +1

    can you please send me method for base 600 that is 529*734?

  • @timanghosh6170
    @timanghosh6170 Год назад +1

    Thank you sir all the technique where helpfull 🙏🏼

  • @susmisusmitha8904
    @susmisusmitha8904 3 года назад +2

    Lovable classes sir thank you very much

  • @noormakhan2670
    @noormakhan2670 Год назад +3

    U did explain very well thats way we got to know 112*89=9968

  • @md.arbaaz_ali7717
    @md.arbaaz_ali7717 2 года назад +1

    *Thank you so much sir for this beautiful trick*

  • @arbaazkazmi8378
    @arbaazkazmi8378 Год назад +1

    Sir if we having 48x52 ,so what we take (100 - or 10+)

  • @prathmeshsingh9699
    @prathmeshsingh9699 Месяц назад +1

    Speed maths lectures getting completed with great speed

  • @dramalovers4078
    @dramalovers4078 Год назад +1

    You are the best teacher

  • @anitabatra781
    @anitabatra781 9 месяцев назад +1

    Sir your way of explanation is too good ❤ ty but when you explain sometimes you write 109 on behalf of 99 , 112 on behalf of 102 so see that things otherwise you're too good sir love you. Just a feedback ❤

  • @guddupandit7202
    @guddupandit7202 Год назад +1

    Sir your video are awesome
    🔥🔥🔥🔥🔥🔥

  • @apurwasingh9869
    @apurwasingh9869 10 месяцев назад

    I had this doubt , that how will we know that 0 is to be added before any digit or after…..(reference 5:36 )

  • @Ezh247
    @Ezh247 8 месяцев назад +1

    Amazing 😮

  • @shuvadeepmandal7521
    @shuvadeepmandal7521 6 месяцев назад

    Sir please solve the problem (114*86=9804) how it comes by using this tricks?

  • @ishapatel3665
    @ishapatel3665 6 месяцев назад +1

    According to this method, how should i multiply 45*65 ?

  • @ArambhHaiPrachand99
    @ArambhHaiPrachand99 Год назад

    FAAD DIYE GURU JI PURA SAMJHA ☺🥰🥰😇

  • @VINAYAKPANCHAL-kx8jt
    @VINAYAKPANCHAL-kx8jt 2 месяца назад

    10:36 the base is 100 then why didnt you took 12x7 as 084? Because in previous sums We assign places based on bases. Please clarify

  • @TadivakaYogitaJE
    @TadivakaYogitaJE 3 года назад +2

    Sir What if both the numbers are not nearer to the same 10 power x value?? Then how to solve??

  • @prachiverma9852
    @prachiverma9852 8 месяцев назад +1

    Had a doubt that can this method of multiplication be used in case we have a sum like
    3789*78, here there is a difference in bases for both the number
    The above number is closer to 10^3 while lower number is closer to 10^2
    HOW TO DO SUMS IN THIS CASE?

  • @gour788
    @gour788 2 года назад

    Superb calculations

  • @akshaynayak4447
    @akshaynayak4447 Год назад +1

    we can also do this 116 * 87 we will get that number 103 and - 208 just take 10 from 103 it will be 1000 - 208 its 792 116-10 is 102 remaining is 792 so the answer is 102792
    i think this one is easy

  • @udaykiransanapala3804
    @udaykiransanapala3804 Год назад

    Sir, they will provide digital calculator?

  • @neo_opyt8014
    @neo_opyt8014 2 года назад +1

    sir 7th question 112-11= 101 and 89+12 =101 and then carry 2 base from 200 would be 99 and 200-132=68thn ans will be 9968

  • @karnvarshneya3019
    @karnvarshneya3019 Месяц назад +1

    bruh this is magic....

  • @asitmeshram
    @asitmeshram Год назад +2

    theiris calculation error in question 112 * 89 is 9968

  • @KlutchyRex
    @KlutchyRex 3 месяца назад

    the last digits should not be more than the power of 10?

  • @deepakshaji4044
    @deepakshaji4044 Год назад

    is there any worksheet for this video for practise

  • @snehakumari5261
    @snehakumari5261 Год назад

    Sir, a different case is there that is114×86.

  • @amitkumarojha2718
    @amitkumarojha2718 10 месяцев назад

    What if i have to multiply 365x249?

  • @shaikmohammadmathin5826
    @shaikmohammadmathin5826 Месяц назад

    Sir u made me feel that math is too much comfortable while following ur tricks to solve problems
    Salute to u sir🫡🙌🙌🙂. Enjoying ur all sessions sir

  • @pranavabudhabi7664
    @pranavabudhabi7664 2 года назад

    Hi sir,
    I hope there is a calculator right?

  • @suryavoroy3527
    @suryavoroy3527 Год назад

    Superb way

  • @nidhimishra5677
    @nidhimishra5677 Год назад +1

    sir,112 multiply by 89 is incorrect at 16:12 minutes u can have a look

    • @rishi8246
      @rishi8246 Год назад +1

      Hey....I have created a wp group for cat aspirants... if you would like to be added text me on wp...my number is given in about section of my channel

  • @saurabhchaurasiya8559
    @saurabhchaurasiya8559 Год назад

    please solve 12*13 with the same method I think this is getting failed. I might be wrong but as per my analysis, it's getting failed.

  • @Nikita.niki14
    @Nikita.niki14 Год назад

    Ish type k qstn ka practice kha s krna h someone please reply

  • @sohammishra5099
    @sohammishra5099 2 года назад

    why no one told me this in class 4th when we were multiplying like 4-4 digit no.

  • @ManuSrivastava_
    @ManuSrivastava_ 2 года назад

    Thank you so much sir.❤❤

  • @brainupbyanmol2959
    @brainupbyanmol2959 2 года назад +1

    Sir, you are wrong at 15.54 minutes.
    Your question was 112×89 =10968 but the right answer is 9968.

  • @phanimadhav4348
    @phanimadhav4348 3 года назад +11

    Now we are faster than calculator 😁

  • @bhaveshchaudhari3016
    @bhaveshchaudhari3016 11 месяцев назад

    in 112 & 89 numerical answer is 9968 as cross addition comes as 101 & not 111. Correct me, if I am wrong

    • @Rodha
      @Rodha  11 месяцев назад

      Yeah. That's calculation issue

  • @somalakshmishivani4773
    @somalakshmishivani4773 3 года назад +1

    Both r 🤔correct but how we

  • @sheikhdanish2920
    @sheikhdanish2920 Месяц назад

    Bounce hi gya yeh method toh

  • @himaniagrawal8157
    @himaniagrawal8157 11 месяцев назад

    Amazing concept but the sums and calculation are bit incorrect. I have been following you for my further studies and it's been thrice the calculation are mistake.

  • @qaaynatsameja3829
    @qaaynatsameja3829 7 месяцев назад

    Wow just wow.

  • @saurabhpatel3697
    @saurabhpatel3697 4 года назад +1

    Dear sir... What you said about table at 16:34

  • @anujpatil6962
    @anujpatil6962 Год назад

    at 14.50 , 112 minus 11 becomes 101 and not 111. Final answer becomes 9968

  • @sangishsharma5167
    @sangishsharma5167 2 года назад

    You are best...

  • @priyalpatil4237
    @priyalpatil4237 6 месяцев назад +1

    What if there is 200 in question. let's take e.g 207 multiply 211 what's method we can use here. can anybody tell me?

    • @Rodha
      @Rodha  6 месяцев назад +1

      Yes

    • @priyalpatil4237
      @priyalpatil4237 6 месяцев назад

      @@Rodha Thank's sir🤟 I didn't see the next video that's tell about this method.

  • @priyanshiverma5068
    @priyanshiverma5068 2 года назад

    123456 × 789 can you please also give trick for fast calculation for this type of multiplication questions

  • @muskanchaudhary242
    @muskanchaudhary242 Год назад

    how can i practice this type of questions

  • @dhritidesai5156
    @dhritidesai5156 28 дней назад

    in the question 112*89 , you have subtracted wrong (112- 11 is 101 and not 111), that multiplication answer is wrong, please re check

  • @vipulkumar9520
    @vipulkumar9520 2 года назад

    Garda uda deye maharaj

    • @vipulkumar9520
      @vipulkumar9520 2 года назад

      Sir please provide practice material.

  • @krawny3416
    @krawny3416 2 месяца назад

    Thank you sir.

  • @coffeebeans4013
    @coffeebeans4013 3 года назад +1

    Thanks sir😀😀

  • @siddharthgiri4545
    @siddharthgiri4545 Год назад +1

    Kya baat h sir

    • @rishi8246
      @rishi8246 Год назад +1

      Hey bro...I have created a wp group for cat aspirants if you would like to be added text me on wp...my number ig given in about section of my channel

  • @gayathri.s
    @gayathri.s Год назад

    How does we get differences as -18 & -13 for 82×87????

    • @abdullahfaizaan8381
      @abdullahfaizaan8381 Год назад

      minus the amount 82 and 87 from hundred you will get -18 & -13 respectively.

  • @ZenabBombaywala
    @ZenabBombaywala 8 месяцев назад +1

    Is there any approach when numbers are far from 10 base?
    For numbers like -
    57 × 89
    49 × 55

    • @ankitagarwal4206
      @ankitagarwal4206 7 месяцев назад +1

      did uh get the answer from somewhere else

    • @ankitagarwal4206
      @ankitagarwal4206 7 месяцев назад +1

      okayy, so i got a solution in the comments section itself.....
      Okay friends, here new trick for 2 digit number, product.
      42×32=
      So first 4*3=12 and
      2*2=4.
      So 1204.
      Then cross multiplication.
      (3*2 )+(4*2) =14.
      1204
      + 140
      ----------
      1344.
      I know it seems lengthy, but trust me , it's easy for mental calculation

    • @ZenabBombaywala
      @ZenabBombaywala 7 месяцев назад

      @@ankitagarwal4206 seems easy, thank you!

  • @BalaSD
    @BalaSD 4 года назад +1

    Thank you sir

  • @rishvpatel2325
    @rishvpatel2325 2 месяца назад

    Thank you sir❤

  • @murshidulanwar9365
    @murshidulanwar9365 3 года назад

    Thank you for this video 🙂

  • @nitishlalranjan5473
    @nitishlalranjan5473 2 года назад

    U r amazing sir

  • @vloggifyydogschannel9683
    @vloggifyydogschannel9683 Год назад

    sir question 112*89 answer is wrong because 112+(-11)=101 not 111

  • @Behuman_007
    @Behuman_007 2 месяца назад

    the sound quality is very poor when i use earbuds

  • @bitanroy4602
    @bitanroy4602 3 года назад

    Very nice ❤️❤️

  • @msaisubbarajuvarma5406
    @msaisubbarajuvarma5406 4 года назад +1

    Thanq sir

  • @anurag6753
    @anurag6753 Год назад

    You left me in doubt for a sec at 16:00😂

  • @PramodKumar-fy8wh
    @PramodKumar-fy8wh Год назад

    Sir sorry to say but in your one question no. 7 is have little mistake.
    112-11= 101
    If we take 2 from 101 to substrat the 132 then is will be
    99|200-132
    9968

  • @abcd2572
    @abcd2572 2 месяца назад

    Love you, sir. Zindabad, Lajawab Jai Hind, Jai Bharat.

  • @komedyandsadisticstreet6698
    @komedyandsadisticstreet6698 Год назад

    sir your eighth ques which is 112 multiply by 89 is wrong

  • @user-ix4yl7ks3l
    @user-ix4yl7ks3l Год назад

    sir in this video 112*89 ans calculation is wrong it is 9968

  • @hardikbedi3912
    @hardikbedi3912 3 года назад +1

    Sir don't we think, that multiplying numbers which are far from the base of 10 or 100 are difficult to solve with this logic?

    • @abhinavsharma341
      @abhinavsharma341 3 года назад

      There's another trick for those no. To solve. Let's see aage ki videos M vo tricks milti hai ya nhi.. But jab M Banking exams ki tyaari krra tha toh i learnt there

    • @punitjoshi8707
      @punitjoshi8707 3 года назад

      @@abhinavsharma341 can you share the trick here as well?

    • @abhinavsharma341
      @abhinavsharma341 3 года назад

      @@punitjoshi8707 ab toh bhul gya mei bro 🥺❤ btw aap kaha se krre ho CAT ki tyaari?

    • @punitjoshi8707
      @punitjoshi8707 3 года назад

      @@abhinavsharma341 mumbai, catking, what about you?

    • @abhinavsharma341
      @abhinavsharma341 3 года назад

      @@punitjoshi8707 bhai insta pr ho aap? Vaha baat kre?

  • @chiragsharma3573
    @chiragsharma3573 Год назад

    14:55 (112-12) is 101 not 111. Great video btw

  • @shweta2066
    @shweta2066 3 месяца назад

    In question:
    112 × 89 = 9968 ( not 10968 )
    ; 112 - 11 = 101 ( not 111 )
    Same for 89+12 ( 101 )
    So, 101-2 = 98 ( not 109 )
    I got confused while solving but it turned out to be calculation mistake from you sir.
    And what you are doing is just commendable sir !!
    We do need teachers like you

  • @batterybuldojer7688
    @batterybuldojer7688 2 года назад

    Sir 135*85 is what

  • @amishasahoo7376
    @amishasahoo7376 7 месяцев назад

    Thankyou sir all clear jai hind