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Questions Based on Net Change (in Hindi)
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In this lesson, you will learn how to find net change on product (price x consumption =expenditure). If price increases and consumption decreases then what will be the effect on expenditure.

Devendra vmentor
Author of 3 books on Arithmetic, Advanced Maths & English Grammar. Cleared CSE (pre) / SSC-CGL / SBI PO / IBPS PO.

U
Sir,I am going to choose my Maths Subject as my optional paper.can u suggest the refference books and material for the preparation
I think there is a small mistake in the 3rd slide. When 20 become 24, the Percentage change is 20% instead of 25%. Other than this your lectures are spotless and splendid, as usual. :)
MK
yes, i also think.4 by 20 multiplied by 100 is 20
Yawan Raj Ratha
9 months ago
Exactly it should be 20%. That’s ok but Devendra Sir has made us fine aware of such mistakes:)
sir ise is tarah nahi kr sakte price 100se 75 huwa expenditure 100 se 120 120_75=45 % change45÷75×100=60%
sir decimal me % ho to kaise calculate kare uspe vedio lecture banaiye plz. or mujhe reply kijiye& thank u sir . apke quant ke lectures bohot ache hai.
?%of 1239.96 +59.87%of 449.95=579.05 . sir please ye question explain kar dijiye n .
Bijay kumar
2 years ago
aap simlification easy wala vdo dekh lijiye
thanku sir aapne jo table batayi hai uska bht fayda mila ... aur 5vi video me aapne ek baat kahi k 25 questions karne hain hume karte to sab but speed matter karti hai bht sahi laga ... shukria
1. Tricky Percentage For SBI PO/CLERK, IBPS PO/CLERK RRB, LIC AAO...etc -Presented by Devendra (Vmentor)

2. About Me . B. Tech + M. Tech e Civil Service Aspirant Civil Service Aspirant 1 year teaching experience ( Quant 1 year teaching experience ( Quant + Reasoning) Reasoning) e Cleared SCC CGL, SBI PO, IBPS PO, AFCAT Love YouTube, Music, Sports, Teaching Follow me on Unacademy.-https://unacademy.com/user Devendra. Meena Rate and Review

3. -7 Suppse you hawe a suppose tou have a product two van ables 2 x 20 14 H frst variah chamgo to 12 amd scond variabl Chan an 25 % 10% 25% m Second 10% t in first

4. a x b Formula - Formlc a + loo Requine ure han loy 25y.ox 2 5 lo O 35 t 25 37.5 7 Stn 1

5. 15 20 x 10 10+20 32y. 2.0 20 y, 6-20x20 6-76- 402,2-0 lo0 y, decreate

6. The Sal thereafter, decreased b 15% , what was the percantaae chamge in his sale? " 7 loo 6.5 . dlecrease

7. !f one af the.siduaf.are angle is mcreased ba on! of the sea+4 are angle is mcreased 20y 20 1 and other is rncreased 30.. find per cent value which the area changes ? ohich i area chanaes 20x30 Go

8. The price of. Suga is redued by 25% but ms pite of the decrease Ravi, ends up increasa s expenditoe on syyyh his mon the percantoge change 25 x b -45 4 3 b

9. OR 25 20 . 20 O O 2e 160-100 75 sign shouts imcreament