Successive Percentage Change (GMAT/GRE/CAT/Bank PO/SSC CGL) | Don't Memorise
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- เผยแพร่เมื่อ 1 ส.ค. 2024
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In this video, we will learn:
0:00 successive percentage change problem (increase)
0:17 solution
1:21 successive percentage change problem (increase then decrease)
1:35 solution
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Successive Percentage Change
If there are successive percentage increases of a % and b%, the effective percentage increase is:
{(a + b + (ab/100)}%
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in case of inc and then decrease in a succession, what is the formula?
Percentage increase=(increase in amount/Original amount × 100)%
Please what software is used to make this video?
thank you! you are great.... thanks a lot for provided useful videos..
Awesome and easy way .
Best video on TH-cam
Helped a lot !
I fell in love with ur teaching mam
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Happy Learning :)
Concept explained really well👍
Excellent
Very good and funny videos bring a great sense of entertainment!
You teach maths in a very functional way.
This was really helpful thank you so much!
mbtdf
Thank you so much mam ❤️❤️👏👏
Reason for taking 1.2 is
Let P be the initial amount
Let P' be the increased amount
If it is increased by 20%
P'= P%+ 20%
= 100/100 + 20/100
= 1 + 0.2
P' = 1.2
This is the reason for taking that as 1.2
This was very helpful, thank you!
May I know the percentage increase and decrease based questions
how did you get 0.8 ?
EXACTLY
How we get 1.2 and .8
@@williams322 thanks
How the 100 is multiple to 1.2???
By using formula (a+b+ab/100)
The sum become more easy
Example first example
20% and 10%
20+10+(20*10/100)
30+(2)
32
32%
Is there a formula for decrease as well?
@@gaganbhatia2172 yes same formula
Que hindi m bhi kraeye
Can someone please explain me how she got that 0.8
How we have to multiple with 1.2
10=(y-120)/120 *100 = 240, so (240-100)/100 *100 = 24%, wats wrong in this formula?
What's that 1.2 and 1.1
96
can you be my math tutor'
the teacher asked us to watch this
But why did u take 100 ???
It's a base value because percentage is always 100 so we can take base as 100
Kasi nekalai persatag
I can't understand
Me tio
yay 2nd
This is so confusing 😐😐😐