Number System | Day 10 | Question no. 141 - 207 | CDS Previous year Questions (2007 - 21)

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  • Опубліковано 10 жов 2024
  • Dear students, In this session we will cover all the questions of Number System asked in CDS exam from year 2016 - 2 to 2021 -1 . This session will give you idea regarding the questions asked from this topic. This will increase your confidence to good in your exam. Thanks. Do like and share the session.
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    💥About Randhir Singh:
    Having 10+ years teaching experience as faculty of Mathematics for Defence Exams with top coaching of India.
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КОМЕНТАРІ • 73

  • @maniishh
    @maniishh Рік тому +16

    ques no. 205 answer is 5 one pair (73,67) is not taken by sir. correct answer will be (d)

    • @cdstap2crack
      @cdstap2crack  Рік тому +14

      Agree, I missed to count that. Thanks for mentioning.

  • @chiragjoshi795
    @chiragjoshi795 3 місяці тому +1

    Best class ever seen for NUMBER SYSTEM🔥

  • @ndaaspirantslife2681
    @ndaaspirantslife2681 4 місяці тому

    This is really helpful for all the defence aspirants 🎉❤ thanks a lot sir

  • @hemucoc3572
    @hemucoc3572 Рік тому

    thank you sir

  • @anmolvirk1213
    @anmolvirk1213 5 місяців тому

    Amazing class sir❤

  • @sudhanshuw1097
    @sudhanshuw1097 7 місяців тому

    Thank you sir🙏

  • @movieworld8984
    @movieworld8984 Рік тому

    Thank you so much guru ji

  • @RaghavChoudhary945
    @RaghavChoudhary945 6 місяців тому

    Sir apka bahut bahut dhanyawad Agar mera concept be clear hota too be sayad exam ka previous year ka questions ka lagna thoda sa difficult hojata paar ya puree number system series
    ke videos Deek bada confidence aya ha Thoda see sochna capability be increase hogayee ha ke questions ko kasa tackle karna ha 😅😅 or sath concept too clear hohee gaya ha bus thoda bahut or karna ha or pakka hojayaga number system
    Again thanks sir❤❤❤😅😅

  • @harshitsanwal2954
    @harshitsanwal2954 Рік тому +5

    Sir I have finished your number system PYQ's series. I watched every second of all the videos and I really enjoyed it sir. I'm a beginner in CDS preparation it has given me the idea of the type of questions asked in the exam. Thank you so much sir.

  • @ikshanksrivastav5282
    @ikshanksrivastav5282 Рік тому +8

    Most underrated channel for CDS prep,,,,,revised again Sir
    Thank you so much

  • @divyanshusingh5192
    @divyanshusingh5192 Рік тому

    Guru jii, with my full maturity I can say that I am blessed by the God who have given me opportunity to learn something from you ......kya explain krte ho sir hiiii aap MAHAN ho question number 151, (elimination of zero). Salute to such teacher.

  • @VishalPal-rw7us
    @VishalPal-rw7us 8 місяців тому

    Most underrated channel in defence segment... Providing best and most important content for selection besides others... Great work sir... Yr methods is very crisp and best sir...

  • @handsomesquidward7935
    @handsomesquidward7935 Рік тому +2

    2:17:21 Q174 mein 7 ka multiple 5 hone se hoga matlab (5,10,15.....70) hence 14 terms .

  • @consistent31
    @consistent31 Рік тому +2

    Sir in question 147 what if we take p=4 and N=5 which are relatively prime to each other, so they satisfies the condition n is prime to p as mentioned in question. And still we gets 124 as a multiple of 4 ?? Whereas 4 is not a prime no. ?? So how is this possible? Please clear my doubt 🥺

    • @Dee25930
      @Dee25930 10 місяців тому +1

      Hey, it's not just a question, it's a theorem and you need to firstly understand the actual meaning of it. The theorem doesn't hold in the above case, so the result that 5^(4-1)-1=124 is a multiple of 4 is not a contradiction to the theorem." - Even though the result of the calculation (5^(4-1)-1=124) is a multiple of 4, this doesn't contradict Fermat's Little Theorem because the theorem is not applicable in this case (since 4 is not a prime number).

  • @vk.megwal
    @vk.megwal 3 місяці тому

    20:23 I think it's (2n+1)^2 means odd numbers so it is not equal to 8n+1

  • @bharatwasi6392
    @bharatwasi6392 Рік тому

    charan sparsh gurudev

  • @DarkKnight-wq4zf
    @DarkKnight-wq4zf Рік тому

    Thankyou so much sir.. for this series ...
    Now i'm confident in number series just because of you.
    Quality content + best explaination
    Thankyou so much sir 🫶🏻

  • @luckyrathore3048
    @luckyrathore3048 Рік тому

    Sor thank you for your efforts 🙏🙏 I really appreciate you with my all due respect and plz do not delete all the PYQ series playlist that will help me in my preparation. Thank and love you randhir sir ❤❤

  • @shalulegwards5543
    @shalulegwards5543 9 місяців тому

    Neenke Kadavul sir. ♥️🙏

  • @DharmbeerBaghel-dp6xl
    @DharmbeerBaghel-dp6xl Рік тому

    Amazing session. Best teaching 🎉🎉🎉🎉🎉🎉🎉

  • @abhijitjadhav1132
    @abhijitjadhav1132 Рік тому +1

    I must Say .... I have cleared soooo many of my doubts after watching this number system series... I really Thank You from the bottom of my heart ....

  • @rahulbora2850
    @rahulbora2850 Рік тому +1

    Guruji❤️..

  • @bhaweshjoshi7227
    @bhaweshjoshi7227 Рік тому

    nice i will recommend to my friend sir.

  • @movieworld8984
    @movieworld8984 Рік тому

    Sir selection ho ya na ho lekin aapki mehnat ki salute hai ❤

  • @HELLO_WORLD_00
    @HELLO_WORLD_00 Рік тому +3

    Guruji got this vedio random, i was in LNM-22 batch 2017 paramount laxmni nagar 😃 memory taaza ho gyi ssc se defence swap kar Diya aapne guruji ?

  • @santoshkumarsingh1957
    @santoshkumarsingh1957 Рік тому +1

    Good morning sir
    I am weak in maths, today I got your viedo of previous year paper CDS randomly please cover every chapter sir It will really help students like me
    I request please take all chapters

  • @KrishnaKumar-rn9nw
    @KrishnaKumar-rn9nw Рік тому +3

    Really enjoyed your session sir.

  • @labanyamoyghosh6018
    @labanyamoyghosh6018 Рік тому +1

    Again thnks sir.. Thnks a lott 🔥❤😌

  • @labanyamoyghosh6018
    @labanyamoyghosh6018 Рік тому +2

    Wish to meet uh sir once in my life.. Uh deserve a huge respect 🔥❤😌

  • @manonmission8655
    @manonmission8655 Місяць тому

    Video merge kero dijiye 1 ya 2 part me

  • @Ur_vyom
    @Ur_vyom Рік тому +1

    Best video for revision... Thanks sir and salute to your efforts 🔥💯

  • @SomeOne-zx3go
    @SomeOne-zx3go Рік тому +2

    Loved it❤
    Very basic explanation suitable for the weaks too 👍

  • @SomeOne-zx3go
    @SomeOne-zx3go Рік тому +1

    In question 182 largest of the following bola hai na toh 13×3²=117 hoga na sir?🤔

  • @sachinchauhan6485
    @sachinchauhan6485 4 місяці тому

    Sir q. 167, 9 is not a prime no.

  • @rishipandey4963
    @rishipandey4963 Рік тому

    Question no.167 sir 9 if we take 2 at unit place any no.how it will be a prime?

    • @nikhil7170
      @nikhil7170 Рік тому

      The question doesn’t mentions about the number of digits, so if we say that its a 1 digit no. Then 2 is possible

  • @nihalsingh9722
    @nihalsingh9722 Рік тому +1

    Ques 157 me 65 pair kese ban gaye....??? plzz bataiye

    • @Ur_vyom
      @Ur_vyom Рік тому +1

      Bhai 2×5 = 10 hoga na isiliye jitne 2 and 5 ke pair bnege utne hi ans hoga
      Edr 5 ,65times ayega 2 109 times ayega isiliye pair 65 bnege

  • @puneetprajapati4285
    @puneetprajapati4285 Рік тому +2

    Sir request the sir pls pdf Hindi main bhi laya kriye pls sir questions samjhne main thoda time lgti hai pls ❤️

    • @KrishnaKumar-rn9nw
      @KrishnaKumar-rn9nw Рік тому +1

      Bhai agar itne jara se English level se problem aa rahi hai toh phir
      English mein kaise karoge?

  • @deepaksingh-yo5cb
    @deepaksingh-yo5cb Рік тому +1

    Plzz sir cover LCM and HCF also .

  • @Akhilshorts77
    @Akhilshorts77 3 місяці тому

    Sir ques 141 ka answer 252 hai

  • @vishal5006
    @vishal5006 Рік тому +2

    I like it 😂KHTAM 😂🔥✌️

  • @nihalsingh9722
    @nihalsingh9722 Рік тому +1

    question 144 samaj nhi aaya...😌 dusre method se bata dijiye

    • @Dee25930
      @Dee25930 10 місяців тому +1

      Euler number ka concept padh lo..acche se samajh aa jayega..aur usne related sabhi remainder theorems bhi padh lo aur help ho jaayegi

    • @nihalsingh9722
      @nihalsingh9722 10 місяців тому +1

      @@Dee25930 thanku😊👍🏻

  • @sukkoon.
    @sukkoon. Рік тому +1

    Sir 2 2017 ke question miss hai jo apne book use ki hai.😂

    • @cdstap2crack
      @cdstap2crack  Рік тому +1

      May be

    • @sukkoon.
      @sukkoon. Рік тому +1

      @@cdstap2crack are sir abhi dekha maine no. System ke 2 17 ke q basic operation factorisation mai ghuse hue hai

    • @cdstap2crack
      @cdstap2crack  Рік тому +1

      @@sukkoon. Good

    • @sukkoon.
      @sukkoon. Рік тому +1

      @@cdstap2crack are sir usme bhi ek q gayab hai recurring digit ka jo distance btwn p and q wala wo repeat hua hai 1 2020 mai .

  • @vishal5006
    @vishal5006 Рік тому +2

    PLEASE COVER All SYLLABUS 🤗

  • @Ankuraj024
    @Ankuraj024 6 місяців тому

    167 m 9 nhi hoga total 5 hoga

  • @shraddhagedam597
    @shraddhagedam597 4 місяці тому

    Question 204 ans is 2 and not 6

    • @cdstap2crack
      @cdstap2crack  4 місяці тому

      Solution is right and my answer is also 2, but by mistake I ticked the wrong option , Sorry for the inconvenience caused.

  • @mayankbhandari8956
    @mayankbhandari8956 Рік тому +1

    Thank you sir❤