5 Chapter 1 Trick | Profit and Loss/Discount/Number System/Percentage/Population-Based Questions
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- Опубликовано: 5 авг 2024
- Hey!
Congratulations everyone, In this video, we are going to solve 5 chapters with just one trick. Now don't worry if you are preparing Profit & Loss and fear about Number system or preparing Discount and can't understand Percentage or Population-based questions. This one trick will change your mathematics completely.
Share this with your friends and start Practicing.
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Here are the Key Moments of the video 👇
00:00 Intro of the Video
01:28 Profit and Loss Question
05:52 Discount Question 1
10:30 Population Question
12:14 Discount Question 2
16:07 Fact
17:28 Outro
----Thank You for Watching----
Team “Dear Sir"
X × (70/100) × (143/100) = 490
so, by solving this we will get
CP : 500
Now starting selling price is
500 × (70/100) = 350(Answer)
Bro 143 nhi 140
Aur sb shi hai
Yes. 143 ki jagh 140
Baaki sab sahi hai.
Nice broo
wrong ans is 350 . they asked the first selling price that means 500 is ur cp then minus 30%=350
500 will be the answer
Sir thank you for teaching these types of techniques in easy and understanble way🙏
This type of teachers need in our schools and colleges like dear sir☺️
Correct 🎉
Are you absolutely right bro 👍
Bina time waste kiye itne ache tarike samjhte h ki kabhi bhul hi nahi payenge..tq so much sir..
Ans is 350
J= X×70/100
K= X×70/100 × 140/100 = 490
X= 500 putting in 1st equation we will get Selling price of J.
350
Wrong h 350 is ans
@@sarpanchsahab151 kaise kya ...solution...?
Sir you are litrally fabulous ❤️🎉🙏🙏
Such a good trick to convert into 1 equation👍👍👍
I m watching this class in April 2024...❤❤❤❤ awesome 👌 👏
Kya intro tha😂😅
😂
Kaun kaun 2024 me dekh rha hai 😂
@@nainapaul436present mam ✋
😂
😮😮 Wow 😮
The way you describe or solve the problems of question is just amazing ...really love it ... 😍🙏❤️🔥
Intro+teaching+tricks=awsm🤙🎉🙌
No
Intro+ teaching+tricks+ dear sir 😊😊😊
Sir ap bht ache se samjate ho...thank u 👍🏻 vedio bht helpfull raha...
4 sal pehle video dekhi thi .... Thankyou bolne aya tha bas 😆
SSC cracked?
70 percent of x into 140 percent is equal to 490 so after solving this we get 500 but we were asked the first selling price which was 30 percent of original price in loss so 70 percent of 500 is 350 final answer is 350 rupess
These types of math teacher required in our schools 🙂🥰
Haa bhai baki sab bevda marke padhate hai
@@mohammadamdani2998 😆
too jaaa leke
Galat trick
*Shortest way to do this* :
Fraction value of 60% is 3/5. Since the denominator represents the total value and the numerator represents the amount of change, we'll take the ratio of current year's population (CYP) and next year's population (NYP). NYP = CYP + Numerator (change). Plus sign is a result of increase in the population.
CYP NYP
1st year (60%=3/5) 5 : 8
2nd year (60%=3/5) 5 : 8
------------------
25 : 64
------------------
This implies that the population increases from 25 to 64 in 2 years. We know the value of 64 in question is 87040. So, the value of 1 ratio will be (87040÷64) and we need to find the value of 25 _(the first year's population)_ , which is {(87040÷64)×25}, which is exactly what he deduced.
*CAUTION: Be advised to use this method only when there's a successive percentage change **_(as in this question)_*
Conclusion-Always modify tricks and become faster⚡⚡
@@SantoshKumari-kh7qp yes. You use kumari?
64 ki value 16 to 100 kitni hogi simple question itna kiyo guma rahe he
TQ it's a best trick TQ so much for your explanation 😊
Sir please make more reasoning topics video you teaching style is awesome sir 🙏❤️💫
Mera bas chale toh 100 likes de du Sir but there's no way to give more than one. You're really working hard for all of us. God bless you Sir..! 💙
*Is Video Ko Abhi Share Kro Apne Sabhi Study Groups Me*
*Agar Aap Hmare Naye Mehmaan Hain To Hmara Channel* *_DEAR SIR_* *Subscribe Karain.* *Aapko Yahan Aapke Exam Related Aur Videos Bhi Mil Jayengi*
Link: ruclips.net/channel/UC9dyrsYEmD4iGJ8Oz1G5dpw
*_Thank You_*
*Team Dear Sir*
Me also bro want to give 1000 likes if it possible 🙆
@@DearSir sir i am from std 5th please make video of jawahar नओवोदय exam
@@DearSir
Pizzz
@@DearSirone of the worstest channel and teacher I ever seen
really sucks
What a technique to learn maths thank sir for uploading many vedios on RUclips
You explain very well but hopefully many don't understand
Very Nice trick.... It's a valuable trick and it will be save time for the exam
Sir,
You are awesome. Your videos really help me in improving my reasoning skills.
Kindly make video on remaining NTSE MAT topics like puzzles also since NTSE is on 17th November.
Yes sir, I also want it.
Yes
Yes sir please make vedio a on NTSE
Yes sir, you are a great teacher
This is really amazing.. Thank you so much sir🙏🙏👏👍
Exam is near but no fear becoz dear sir is here🤗🤗
agr tum koi ladke pe bharosa karoge dil or jaan de doge toh woh tod dega lekin koi youtuber,idol,youtube me jo padhate hai unpe bharosa karke dekho unko dil de ke dekho...woh tumhe uska 2x wapas dega
this comment is written based on the 0:50 clip I loved the way how sir was trying to find a way just for us so that we could solve this chapter's questions
Sir can you make separate video on discount briefly? Apart from this, Amazing teacher🌻
Nice teaching!! I must watch Vidya Guru channel videos for Maths and Reasoning tricks. Their taught questions came in my several SSC exams.
350 is the correct answer. Sir if my answer is right then please give me a heart.
Dear Sir Can You Please Make A Short Trick Video For D.I (Data Interpretation)
By looking the speed and tricks of calculation I can't say you are math teacher but... But you are a real mathamagician
You too are right
It's mathematician not what you wrote
@@slayer5918 look carefully
A big big thanku sir for making me solve 40 que in less than 10 minutes.much much gratitude sir🙏🙏🙏🙏
Sir please tell short trick
A shopkeeper sell his articles at their cost price but uses a faulty balance which reads 1000gm for 800 gm what is the actual profit percentage
Sir the answer to the last question will be (a) 350. Thank you soo much for this video, it helped a lot❤❤
Sir it's an awesome trick, thank u very much sir for helping us 🙏
Intro editing level infinity 😂😂
😂😂
lmaooo
Yes
😂😂🤣🤣🤣
😊
Thank you sir 🙏🏻🙏🏻🙏🏻
Per please accounts me bhi tricks ke video bnaye
Sir ap jo question bataya t vo question mara exam mai aaya thanks sir 🙏🙏
Chal jhootha
Sir 1st question can be made easier.
6% loss to 10% profit difference is Rs 64 wich is equal to 16%
16%=rs 64 and so 100%= 400. Please tell me if I made any mistake. Btw I'm your great fan
good
Sir first time ab profit and loss ka questions solve karne me maza aa Raha hai thank you sir sir polynomials chapter ka explaination Apne RUclips chhanel par lagaye sir
Sir aapne math subject ko bahot aasani se samja diya 👍👍👍👍👍👍👍🔥🔥🔥🔥🔥🔥🔥🔥🔥
You are great sir
Sir, Answer of the last home work question is a)350
0:05 that's the reason why I LIKE DEAR SIR...his way of teaching is realy great ...thank u sir...great viddeo
@@apnipathshala_class_10 u
@deep
Cp=500 and as we know that J got a loss of 30 % , so we calculate it 500 ×70/100 =350
How to calculate cp value ,500 plz solve cp value
@@CAPTURED7 70% x 140% x X = 490
After solving this equation we got 500
बहुत अच्छा समझाया आपने। इस प्रश्न में क्रय मूल्य पूछा जाएगा, विक्रय तो पहले ही दिया है। प्रश्न में थोड़ी गलती है। उत्तर 500 है।
Your greatest teacher in the world 🌍🌍 thanks you dear sir ji
easy method is cp of k is sp of j...hence answer is 490*100/140=350
Railway or SSC Ka jayda qutions kaijay sir jii ❤️❤️ very helpful 🔥 short tricks
The correct answer will be 350. Sir Your teaching method is superb 🙏
😂bhai ye sahab to sach me genius hai salam hai sir apko🎉🎉🎉 mera
Sir thank you so much for this video because today I do all questions related to this topic easily and fastly
Aah That's did not do😂😅
Dear hai to study hai...dear main HPCL ka exam diya tha or aapka btaya pipe cistern time work se question aaye mja hi aaagyaa ..#THANKS #DEAR SIR
12m congratulation sir💓
17:24 sir option (b) is correct answer please reply sir.
Oh aaj maine jaana ki hamse jyada pareshan aap rahte hai hamare liye ...😐 thank you so much sir 🙇
Yes
Ya your right
Ya correct 👍
Ha👍🏻👍🏻
@@Sabana78619 no
Let's take CP instead of X so people can easily understand that here the value which they find first its actually Cost Price not Selling Price
X=CP(cost price) so,
CP x 70/100 x 140/100 =490 then
CP =500 but its a original cost price and J sold it to K in 30% loss means 500 x 70/100 =350 ( J's selling price to K).
🐯 Thanks sir 🐱🙏❤️
You are absolutely correct
*Is Video Ko Abhi Share Kro Apne Sabhi Study Groups Me*
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Link: ruclips.net/channel/UC9dyrsYEmD4iGJ8Oz1G5dpw
*_Thank You_*
*Team Dear Sir*
@@DearSir I had already subscribed this channel sir ❤️
70/100×140/100=490
Ans 500 bt how
@@Dibya-joon
CPx70/100x140/100=490
=49cp/50=490
=Cp=500
@@Dibya-joon now subtract 30% from 500 u will get 350 answer
you are really reallly reallllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllly an amazing teacher sir....keep it up!.....love from #KASHMIR sir....
We need these kind of teachers in our school who teaches so well and children can understand very easily.
Are mil gaye he na! Aur kya tumare personal ************
Sir 1st I think 500 is the answer. But question mein tha na ki 30% loss mein becha hai. Tab jake 350 answer aya sir. Please bolna sir galat hai ya sahi .
Sir thank you so much.... Ap humare liye boht mehnat krte ho.. Shukriya 🥰
Thanks sir me raat 2 baje apki video dhek Raha hu
Exam is near but no fear because dear sir is here😂😂
I am in class 10 and for no reason I just opened this vedio and after watching intro I was like dear sir had drink red bull and burnt 🐉 wings😂😂😂😂
Video his bhai vedio nahi
@@rasmitagauda1070 hai hota hai behen his nhi
@@AnuRag-lw8ws 😆😆😆
Sir g dil jeet liya❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤ i am Pakistani
@@Areenkhan45 PKMKB
The intro was 🔥
Sir the answer is 500 and I only find the answer in 10 seconds because you are a great teacher🙏🙏🙏🙏🙏🙏
Directly K selling price is 140/100x=490....it means 490 is 140 percent but now we gate actual buying price of k is equal to selling price j ....140/100x =490
=350
Apke trick ka to koi jawab hi nahi h
STUDY मतलब
Dear Sir.........
500 hi hoga sir
@@roshandewangan5334 are bhai 500 to ishki tagging price he. Ish me puchha he ki J ne K ko kitne dam pe bika to 500× 70/100 =5×70 = 350 hua na
350
As x*70/100*140/100=490
X or cp =500
Then 500-500*30/100
Sir, your teaching skill is so amazing thank you sir for explaining
Ur r the best teacher in my whole world 🌎 ❤
Thank you very much sir ji batane ke liye
Finally, our thought has been revealed only through Dear sir.
100-94=6℅
100-110=10℅
10+6=16℅
64rs*100=6400/16=400....
pehla is tarike se karoge to jada aasan ho jaega sir
Abe -10 hoga
@@blockbusterkingmovies8377 abe hisab na smjha ... Jo bola hai uspar dhyan de ... Difrnc bta rha hu yha par main
Bro 64 kha se aya
Cp is 100%, 16%=64, 100%=400
Intro of the video was awesome 😂👍
SIr, Your concepts have been so amazing but these kinds of questions can be solved without applying any formula
सर आप हम सब के लिए बहुत मेहनत करते है।
Price of article = 500 rupees
Starting selling price of article = 350 rupees.
Thank you sir for this type of trick
Sir how can we share our maths problems with you ? Please tell
man lo K ne saman ko X rupiya me becha.
K ne L ko becha to 40% profit huya iska matlab 100+40= 140 likhsakta hun, or L ne 490 rupiya saman keliye diya.
X * 140 / 100 = iska bara bar 490
X * 140 = 490 * 100 cross multiplay kiya
X = 490 * 100/140
X = 350
iska matlab saman ka bicroy mullo 350 rupiya.
is qustion me J ka saman ka aktual price nahi putcha.
Sir kya aap partnership buisness, variation,simalirity and construction ka video bana sakte hai WBBSE ka
Nice teaching sir.. :) I also like the teaching way of Vidya Guru Sonia ma'am , Their vocab sessions helped really well for my Bank RRB and PO exams.
Hello sir
First of all thank you so much sir
I am in class 8th now
But because of lockdown I didn't study properly
Because of which my math subject is very week
But because of your video lectures I started understanding math
Thanks sir 🤗🤗🤗
Hi
Similarly..
Populationwale mein bhi same concept
100 let kra...
60 percent increase hui to 160 phir 60 percent badhi second year to 160 ka 60 percent nikal ke add kro..
Will end up to 256....
So 256=87040
For 1 it will be 340..
Multiply it by 100
500 is correct answer of your homework question. I liked ur all videos and u will make more videos as now in future.
500 is the answer of the last question
Tnx bro Maine aapki trick ke wajah se muh mein hi solve kr diya😀😀
500*30/100=150, 500-150=350 remaining, 350*40/100=140, 350+140=490 so 500 is correct answer .
U,r the best teacher in my life
Everything is perfect, but I request dear sir to please slow down ur multiplication/divide/...... Moreover if u can provide subtitles.... Everyone here is not brilliant/good in calculation dear sir.....n not everyone knows Hindi that well ,,,,, ❤️
Sir,
The correct answer of homework question is 350Rs.
If it is right then plzzz give me a heart.
Absolutely correct 👌
*Is Video Ko Abhi Share Kro Apne Sabhi Study Groups Me*
*Agar Aap Hmare Naye Mehmaan Hain To Hmara Channel* *_DEAR SIR_* *Subscribe Karain.* *Aapko Yahan Aapke Exam Related Aur Videos Bhi Mil Jayengi*
Link: ruclips.net/channel/UC9dyrsYEmD4iGJ8Oz1G5dpw
*_Thank You_*
*Team Dear Sir*
Cross check for your answer "350".
Let the cp is 350 ₹ ok?
Then J sold K for 30% loss
So 350*(70/100) = 245 ₹
Means that the cp for "K" is 245 ₹
Now he sold that for 40% profit
So 245*(140/100) = 343 ₹ means that "L" paid 343 ₹.... Not 490 ₹... 😊
Now let 500 ₹ is main cp
Now 30% loss of 500
Means 500*(70/100) = 350 ₹ means "K" buy it for 350 ₹ ... Now K sell it with 40% profit... So 350*(140/100) = 490 ₹ .... Also in question L paid 490....
now i proved you @dearsir that the real answer is 500 . 😊😊😊😊😊
@@utsavtalatiofficial561 bhai aapko starting selling price batana hain na ki cost price.
Matlab aapko article ka 70% batana hain na ki 100% kyunki article 30%ke loss me becha gaya hain.
500Rs article ka 100% price hain aur us article ka 30% loss me becha jana.
Matlab 70% of 500 = 350.
Therefore the correct answer is 350.
Now, you recheck your answer.
1st question ka ans jada fast banane ke liye... Dono percent ko add krke 64 ke equal ke 100% nikal ligiye... Means 6%+10%=16%
16%=64 100%=64/16×100=400
I am watching this video from Bangladesh.
Mere ko losss our profi aa gya thank you so much
Love you sir your all grp is best 👍💯
My favorite sir is DEAR SIR of RUclips channel's
Option (A)_350 Ans hai last question jo HW me diya tha
Thnku sir...its really helpful👍
Very nice sir. Please send videos on combined mcqs on bodmas, profit and loss,pecentage,average,simple int, time and work, time and distance and unitary method at a time.
x × (70/100) × (140/100) = 490
=> x = 500 i.e., d option is the Ans. 🙏
Good
Got it
x × 70/100 ×140/100= 490
Then I solve equation I got =500
500-30% =350
Sir 350 Ayia sir isko Maine sidha 140 ko 490 se bhaag kr diya fr 3.5 Ayia 10 se mantiply kr diya
Sir,
Let selling price is x
Then k sold it 40%
So equation
x × 140/100 =490
x= (49×100)/14
x= 350
Utsav plz read the question carefully. Sir asked to calculate the SP not CP. Cp is 500 but starting SP is 350 that is 30% loss on CP-500
@@Pinks19 correct
badiya sir
Your shortcut is absolutely correct. Kam dimag walo ko nahi samjhega.
@@saikour111 yes
Very valuable teaching, Sir if you don't mind me saying please teach us for CDS maths also
Good
Very nice teaching style
Really... I m saving my time in exam to solve the sums... Thank you so much for all videos... In a such easy & simple way