Percentages & Profit Loss - 8 | CAT Preparation 2024 | Arithmetic | Quantitative Aptitude
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- Опубликовано: 5 окт 2024
- CAT PREPARATION 2024 I QUANTITATIVE APTITUDE PREPARATION for CAT 2024
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This is probably the 10th time I am watching your Arithmetic series. These lectures are absolute gem💎
hi can anyone please explain me the concept of multiplying factor, i am following since beginning but still not got this n/d+n n/d or 2/5 to 7/5 so anyone plz can tell me in hindi how this exactly work since i am legging on this concept i am making blunder in almost every question. plz respond if anyone notice this.
@@apoorvsaxena7529 n/d+n,
n=2,d=5.
Substituting the respective value,
2/5+2,
2/7
@@apoorvsaxena7529 for 7/5, here is the answer.
There is increase in profit. So, we have add 1, i.e.
1+2/5. Gives us the answer of 7/5
@@apoorvsaxena7529 n/d+n and finding 7/5 are 2 different concept.
For 7/5, refer part 2 of Percentage and Profit&loss(multiplying factor topic).
For n/d+n, refer part 3 of Percentage and Profit&loss
why sister 10th time ? samjh nhi aaarha kya ?
So a milkman decides to mix water in milk and now I have to solve 5 types of arithmetic questions because of that. Such is life!
Aare bro ye video 5 year old h . CAT exam ki practice k lia sufficient nahi h 😮😢
@@ALERN-kx9dcbhai iske alawa or kaha se padh rhe ho?
@@ALERN-kx9dcbasic h ye bhai advance que khud se bana na,dusre jgh se basic k lie to sahi hi h
I request rodha team to bring back our sir. Best teacher ever thanks sir.♥️
Unka hi channel hai
He is on unacademy
😂@@piyushsrivastava2688
much simpler method :
cp of 1 orange=2/6=1/3
sp of 1 orange=3/7
profit=2/21
profit % = 2/21*3/1 = 2/7 = 28.56%
oranges reqd. to earn rs. 2/21 profit = 1
oranges reqd to earn rs. 1 profit = 21/2
'' '' '' rs 20 profit = 21/2*20 = 210 (answer)
Hey, late to the comment but did you cross check this method ? I mean I did it with the same approach. Both the methods have same approach of creating a unanimous no. of oranges but just to double check , we can still do this by calculating cases for 1 orange , sure na ?
@@srishtikukreti10 210 IS THE RIGHT ANSWER
60m cloth question can also be done as : 60P = 15S => P/S = 1/4 => CP=3 => P% = 33.33%.
indeed
Superb conceptualisation and explaination...Just 1 suggestion keep updating the content on yearly basis Thank You Rodha Educational Solutions. You people are truly helping students excel.
To do the question at 10:10 in a faster way, assume SP of 60m cloth to be 4x. Then CP of 60m cloth will be 3x. Profit % = x/3x = 33.3%.
this channel is one of the best channel on RUclips, for quantitative aptitude.
If I clear cat in future, I'll give whole credit to you sir 🥰
Hua?
@@prateekbirthal9649 I think you're preparing for CAT 24?
@@Rain_Over_Everything yes
if u r not able to crack
then what?
after that also we all should give credit to sir
for the milkman question, shouldn't water be added not above one liter but to compliment the liter already. 1l= milk + 20% water ie 200 ml. it comes out different % than 15.56.
if we make it a liter like 80milk and 20 water we have to again change soo many values thats why we are going for 120 l
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 🙏
Self preparing for CAT from your videos. These are definitely a GEM and helpful. Will be back here in case I convert. Thanks for your efforts
I HAVE ALWAYS FOUND THE BEST AND THE EASIEST METHOD TO SOLVE QUESTIONS ON YOUR CHANNEL. THANK YOU SO MUCH SIR.
Great playlist, sir is this playlist of 8 vedio on percentage and profit and loss is sufficient ?? Cat
Sir, I have a question: do the questions you provide us here match the level of CAT, or are these merely for practice? How much more do I need to practice (and what level of questions) if I wish to clear the exam, provided I began the prep at the beginning ofJuly and wish to crack IIMs?
Pls respond 🙏
I have a DOUBT!, that at 8:01 sir took the fraction of 30% as 3/10 and then converted it to 3/7 i.e. 3/10-3, so why does he did that and not 10-3/7?? I have watched the past videos and this have been my biggest doubt yet, so please explain this to me sir or anyone who know this pleasee?!?! 🙏🙏
Same doubt
That killer smile😂😂😂😂🙏
Sir, for 2nd Question.
Can we do one thing?
Take CP = 1, hence SP = 0.7 (loss of 30%)
Then again considering CP = 1, therefore SP = 1.4 (profit of 40%).
I got the answer within seconds by this, as SP is doubled then toffees must be half.
By this, we can ignore the cumbersome and tedious calculations, eventhough it's in mind.
Please let me know sir, and thank you as always for your great work and hardwork you put for students ❤️❤️
I think these videos are more than enough for cat even coaching institute also teach these stuff only and then we have to practice question on our own
There is only 8 parts of the video on this topic,can you tell me if everything is covered???
@@043kumarivinita3 he almost covered all the topic i would suggest you to search profit and loss by amit surana there he covered large variety of question but before clear ur concept from these videos.
@@vinaygupta609 hey!!!thank you so much for your quick reply, and thank you for your suggestion 😊
@@043kumarivinita3 welcome😇
@@vinaygupta609 Bhai u too preparing for CAT 2021 ?
Awesome techniques... thanks a lot Sir for posting such videos..
Thanks
@@Rodha sir,if possible please make some more videos on cat verbal ie.RC and PJ
@@KanhaiyaKumar-xb4vy Sure we will do
@@Rodha increase your volume
@@ashwinraj8918 use earphones for better experience
Vry greatful thank you sir 🙏🥰 you are the most best teacher in world 🌍 and vry elegant way of your teaching skills 🙏🥰
It's a blessing in disguise that I found ur channel.
at 8:50 why did he subtracted 1-3/7, instead of multiplying 1*3/7 because in earlier videos he has multiplied.
30 loss means 70 , and 40 profit is 140 means twice of earlier sp
For milkman question shouldnt the cost price be Rs84 rather than 104?
80litre of milt+ 20litre of water
which is 80+4 =Rs84?
U are doing Great job sir I understand all topics u cover in video but its very sad that peoples only see video but not like videos
Love your dedication towards us students, to crack this exam 🙌🔥
Are these videos enough ??
Comeback sir bring more and more questions like this
6 oranges for 2rs so 1 orange for .33rs
Cp for 1 Orange is .33 rs
7 orange for 3rs so 1 orange for 0.42rs
Sp for 1 orange is .42rs
Profit for 1 orange is sp-cp= 0.09rs
Total profit is 20rs
So number of oranges is 222.3
Which rounds upto 222
Completed Percentages and Profit loss. Thank you sir
Sir can you tell me? Where to apply multiplying factor 1 + 1/n and where to apply n/d or n/d+n method. Am confused where to apply which one
Let's suppose from A-----B (A to B) there is n/d increase then there is always n/d+n decrease from B-------A (B to A), this is used where we know one sides decrease or increase and we have to find it's reverse. example - A's salary is 25% more than B, then by how much percent B's salary is less than A.
B-----A 25% =1/4, A's increases from B's salary, therefore 1/4 = n/d (as increase comes here).
Now from from A's salary B's salary is n/d+n decrease, i.e., 1/4+1 =1/5
B's salary is 1/5 less from A's.
Let B's salary =100
According to question A's is 25% =1/4 more than B i.e., =100+25=125.
B's is (25/125) % =20% less than from A.
Multiplying factor(M.F) used when we have to find next values example
Price of book is increases by 25 %, current price is 100, here 25%=1/4 this is fraction value(f.v.)
M.F. = 1+f.v. (when increases) and
M.F. = 1-f.v. (when decreases).
Here increases therefore
1+1/4 =5/4 is the M.F. value
So the new value will be 100(price of copy) × M.F.
100×5/4= 125 new price of copy. ✔️✔️✔️✔️✔️🤘
@@raghav5895 sir please watch at 8:14
Sir wrote 3/7 i.e 3/10-3
I think multiplying factor should be (10-3 )/10
Please clarify my doubt 🙏
Where are you currently placed at?
He didn't used multiplying factor there,he used n/n-d there @@electronicsworld8993
Here why we use multiplying factor to calculate profit
At 8:21 I think the que mentioned loss, therefore CP must ne less than SP ,but sir got 10/7 which is greater than one CP>SP
Bro in case of loss cp is more than the sp in case of profit sp is > than cp
In toffiees questions why 56÷2 why not 56×2
we got 56 toffees for 2 rupees and in question it is asked for 1 rupee so we divided 56 by 2
but the question is he cant make profit by seliing at 1 rupee coz 10/7 is the cost price . so ,fundamentally the question is wrong. can anyone confirm this?
Not able to get milkman mixes bisleri... Sum... In that cost price of 1lit of water = 20 paise .. How... I did 1-1*20/100=which gives 4/5 ... Multiplying with 60 to make it paise.... Still 4/5*60 gives 48 paise..... Help please
6:00 9:00 12:00 17:00 21:00
my doubt is why he mixes bisleri ? tap water is give him more profit
In last que, instead of multiplying 10/9 can we add 1/9. ?? Please answer
yes
1/9 to what? @Saksham gupta
nope then cp will come = 621.9 which is not correct
@@yatish7762so why 10/9 added instead of 1/9?
🟠⚪ Great fruitful csat session ⚪🟠
Sir earlier u told always took lesser value , then why you will take SP of 60 m
Why dont take SP OF 15 M first ???
Sir I’m a little confused.. if I make 40% profit by selling 56 toffees at 2 rupees, wouldn’t I have to sell more toffees at 1 rupee to make the same amount of money (profit)? So instead of 56/2 wouldnt it be 52 x 2 ?
Exactly
No
For 56 toffees we need to pay 2rupees.
So for one rupee we can get 28 toffees
@@neppallisatishchowdary6439 But then the profit will also reduce by half right?
Yes i m also confused by this the profit is only 20%
@@manu-wd8bv I can suggest an alternative approach to the solution which can make it easier. The selling price as per the question is 56rs and loss percentage is 30%. By this we can get the CP as 80rs. So the actual CP of 1 toffee is 1.428rs (80/56). But since he sold them for only 1rs initially, he losses out .428rs, which is 24rs(30%loss). So for him to make 40% profit, the selling price needs to be 112 (40%P + 80 CP). Since there are 56 toffees, he can sell them at 2rs (112/56) to make 40% profit
This content is really good sir, Thankyou very much.
I dont get the answer 28 toffees
Why isn't it 112 toffees?
Please explain sir.
Same
@@coderishabh3418
For 40% profit
He has to sell 56 toffees for 2Rs
So for the same profit % (not for same absolute value of profit but %) he has to sell half of it that is 28 for 1Rs
Got confused when i used multiplying factor and when we use percentage increase and decrease method
go watch percentage video... solve arun sharma lod 1. u will get it
Sir please suggest the book for cat exam
Thank you so much sir..it helps alot🥰
Where will u find such a beautiful questions sir ?
In a toffee problem how the shopkeeper sells fewer toffies and also get profit of 40% How does 28 comes
Ig the ans should be 70
In last problem the profit is 11.11% more than loss, and not 11.11% times the loss. The cp should be 589, correct me if wrong
You are correct dude.
sir has used multiplying factor concept which is used in cases such as this, he has not multiplied with 1/9 but by 10/9 which implies increase(more than)
@@anjaliprakash5065 I still didn't get that.
@@rajatkatiyar8781 if u do 1 + 1/9 u will get 10/9 right? We add 1 when there's an increase, u should brush up on multiplying factor concept
@@anjaliprakash5065 thanks... Will look forward to that.
Sir what is we solve milkman wala question by taking total quantity 100 litre then the cp is 840.?
Please reply sir
Yeah in that case I'm getting (16/84) *100
if you take the total quantity as 100 liters then the quantity of milk should be 83.33 liters and water should be 16.34 liters, not water = 200 liters and milk = 800. because water is 20 percent of milk, but if water and milk are 200:800, then water will be 25 percent of milk.
At 8.40 seconds 3/7 increase is equal to 10/7 can anybody explain how it happened
C.P=n/d+s.p
In question : n/n+d = 3/10.
Still if u have some doubt, refer to Lecture 1.
@@Sanchofan1 thanks bro
How that 3/7 will come ,,can anyone help me
@@manjuuppar2952 Watch his earlier videos. He has explained this concept very well in percentages.
Take LCM of 1+ 3/7 = get 10/7
Increase rahega to 1+ krna ur decrease rahega to 1- krna
9:16 'ladies and gentlemen'.... Classic 😄
Is there a part 9 for this topic as he says at end we will see in next part? Please help
I'm also looking for the same... I don't think there's a part 9
Thanks for the update
Sir 8:50 where you have calcut Inc and Dec you should plus in denominator it should be 3/13
instead of commenting on videos get ur basic first
[3/10 = n/(n+d]) decreseas so u have to increase it by n/d = 3/7
@@DevendraSingh-hs1gj bro could you please explain how you got 3/7…?
@@Vin24576 watch percentages video
Please explain, how the initial value of CP became 10/7 ?
Note - It's a Toffees question, which is the second question of this video
sp=1 assumed, increase of 3/7 will be,
1+ 3/7*1=10/7.
@@Ray.02 but vendor losses 30 %
So its means decrease
3/10 == 1-(3/10) so i think it must be 7/10
In the first question profit% is to be calculated bu 4/18 ×100 right, but sir calculated as 4/14 ×100 ,which is the right one?
I Have Same Doubt But Profit = Profit/CP That's Why Answer Is Right 28.56%
but sir told that profit percentage is profit/SP
@@yatharth2994 when we have prices
then we need to use : Profit% or loss% = price difference between CP & SP i.e., profit or loss / CP
When we have only quantities but not prices
Then we need to use : Profit% or loss% = quantities difference between CP & SP / quantities of SP
@@yatharth2994 Hope u got that. Cheers!
at 8:50 why did he subtracted 1-3/7, instead of multiplying 1*3/7 because in earlier videos he has multiplied.
multiplication is done in the case of multiplying factor not when you're trying to find out the increase/decrease fraction
Hello sir,
In the last of this video Percentages & Profit Loss - 8, you have told that u will solve more videos on this. I'm not able to find the rest of the videos. Can you please tell me where to find those videos. And most importantly where I can find the partnership concept videos of your lectures in Percentages & Profit Loss? Please Reply....
Is this the last video of percentage
@@baps24 this is the last video right
sir I'm not able to understand the multiplying factor of toffee question 2/5 to 7/5 (8:59) and last article question 1/9 to 10/9 (18:59). Will you please help me out. I'm stuck in those two questions.
in toffee he use the concept of d+n
(for more clarity check percentages 3 video) , in the article one it said 11.11% which is 1\9 and in question it said that more than than we add 1 , so find the lcm of 1+1\9 you will get 10\9
Shouldn't answer for the first question be 112?
Please correct me !
U r genius sir❤️
What is the next video to watch after this? Some one please point me to it.
In 19:28 How Loss is CP - 527....LOSS/PROFIT= SP-CP...
SIR PLEASE EXPLAIN
Loss= Cp-Sp
Sp is 527
Thank you so much sir for your teach 😊😊
thank you for such efforts
Is it the last class of percentage & profit and loss??
Sir I didn't understand multiplying factor one...plz clarify..
can someone explain in toffee question how are we getting the multiplying factor as 7/5, if CP= 10/7 with 40% profile shouldn't it be 10/7+ 10/7* 40%(2/5)
40% = 2/5, therefore multiplying factor in case of increase is 1+2/5 = 7/5, and 7/5 of 10/7 gives 2.
Can you tell me how we get 3/7 from 3/10 loss???
Sir u have not covered partnership concepts
beautiful sir. kya baat hai. maza hi aa gaya
can somebody explain how cost of 1l water become 20P??
Water is 20% of the cp of milk , cp of milk is 1rs and 20% of 1rs is 20p
In milkman question, why you took only cost price of milk, as the milkman also spend money over buying water as mentioned? Kinda confuses.
CP of the milk includes the acutal price that is spent by the milk man, so adding water costed him 4 Rupees and the milk of 100L costed 100, and he sold the 120L milk at the CP of Milk which is 1 Rupee per litre so its 120 Rupees
@@knowchay i tried solving it by taking 100 as sp instead of 120 by this way my ans comes out to be 16/84*100, how am i wrong
Sir aap jab solve karte hai to everything in question automatically aligns but when I do info starts to diverge .....
keep practicing
19:20 the question says more than loss incurred. Shouldn't we add 10/9 instead to multiplying it to ( c- 527)?
1/9 is more. Multiplying factor of it is 10/9. So 10/9(C-527). Multiplying factor is found to be multiplied
1+1/9=9+1/9=10/9 because question says more than the loss incurred
Sir, where to get your quizzes from?
Sir Arun Sharma book thik rhegi cat exam preparation k liye ,, please reply me sir 🙏🙏
Naaah
@@Rodha fr sir kon si book thik rhegi bta dijiye plz
Bata do sirrr
@@jsingh7558 are Arun Sharma book hi thik h
Tell me one thing where i use multiply factor in ques how i know where i use in quest multiply factor
Can someone help to find the continuation of this video ??
How last question and last step became 19c = 11723 ?
Because both are plus and minus right?
Bringing the minus to the other part of equation make it positive( vice versa)
So.. By bringing -10c-9c=-5270-6453
There for 19c = 11723
Thankyou so much 🙌
Can someone explain me how we get 3/7 from 3/10 loss in the second question? @Rodha
By subtracting 10-3 = 7 ( N divided by N-D) look into his previous videos
@@khushigaur852 thank you.
@@khushigaur852 Is this the last video for PPL ? Sir says we can see more qns but only 8 vidos are there in the playlist
12:23 killer smile
Where are the remaining videos sir ...??
sir, is this the last video of profit and loss on this page
This was the last part of percentage and profit and loss?? only this much is enough???
I think profit and Loss 6 is the last video of this topic.
@@rajatkatiyar8781 yes.
any easier way to solve last question without equation ??
That toffee question... the answer should be 112, right? If I am wrong, please correct me, I am unable to understand that ques?
hey, as sir said you should not change the quantity. so for the selling price of 1 rupee you have 56 toffees which you sold at 30% loss. so cost price is unknown at the moment for the equation but it can be derived (30% = 3/10 decrease on cost price but we dont know the cost price however we do know the selling price which is 1, so 3/10 decrease is 3/7 increase on selling price(1) so 1+3/7 = 10/7 which should be your cost price) now you have a condition that he must sell it at a 40% profit. we dont need to do the speed maths madness again as we already know the cost price. rest is easy.
@@shivaniyadav2547 yes yes... my approach was wrong actually... Thanks btw
Amid the lecture tq for the motivation😍.#nevergiveup
12.24
First question profit % formula is wrong = Profit/sales *100. u did profit/cost *100
Seriously 😂 bro what did you just wrote!
Kindly clear your basics 🙂
pagal hai?
there are more parts of this chapter???
Are there only 8 videos of percentages from arithmetic???
Did you find any other vids?
Thank You sir
Thank you so much, sir
from where we can get practice que. of rodha !!!
Thankyou sir
SIr, post please other parts tooo
You mentioned Quiz in your video that after watching these videos solve the quiz, where can we find it Sir?
There is no quiz. we have asked in 100 videos. i think it was in 2018.
How it's coming 20 paisa? Can anyone please explain?
cause water's price is 1/5 times of that of the milk, 1 rupee = 100 paise, milk = 100 paise, water = milk/5 -> 100/5 = 20paise
When do we use the formula,
n/d-n? Anyone?
In all inverse ratios
Is this question are of CAT LEVEL?
Yes