Types of Questions Asked in Exams on Percentage

TYPE 1.
If there is increase of X% and subsequently X% decrease then there is always
loss / decrease in the condition.



 
Example. If rohan salary is increase by 50% and subsequently decrease by
50%. How much percentage loss?



Ans. By trick —-  50×50/100= 25% decrease/loss 

TYPE 2.
if A is P% more than B. then B is less than by A  with P/(100+P)x100 
Example:  If radha earning is 25%
more than sita. Then sita earning is how many percentage less then by radha?
Ans. By trick —-
25/(100+25)x100=20%   

TYPE 3. 
If A is P% less than B. then B is
more than by A with P/(100-P)x100 

Example: If golu age is 20% less than gita than gita age is how many percentage more
than golu?
Ans. By trick —- 20/(100-20)x100=25%

TYPE 4.
If there is p% increase in price . how much % decrease his consumption so that
his expenditure on it does not change.
formula P/(100+P)x100

Example. If petrol price increase by 25%. How much percentage a person
reduced his consumption so that his expenditure on it does not increase?

 
Ans. 25/(100+25)x100=20%


TYPE 5.

if there is p% decrease in price . how much % increase his consumption so that
his expenditure on it does not change.
formula P/(100-P)x100

Example. If there is 30% decrease in eggs price. How much a person
increased his consumption so that his expenditure on it does not increase?
 
 
Ans. 30/(100-30)x100=42.85


TYPE 6.
Example. If suman need 36%
minimum mark to passed a exam but she score 24% mark and fail by 9 marks. What
is the total mark?

 
Ans. Difference in % = difference in mark
In that 36%-24%=12%
that is 12%=9marks
so, total mark = 9/12×100= 75

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115 Comments

  1. To do hardwork is our duty,god will give the desired results ..NEver ever loose the hope guys,one day u will get success for sure….
    THANX
    ________/________

  2. yaar actly i joined coachiing and then try to revise whatever taught in coaching vlasses…….and last try to give atleast 3 STs in a week…..

  3. Hmm…me also having coaching yr….bt actually abhi tk luck me sath ne diya….hmm..bt I will remember ur suggestion definitely

  4. yaar ST do na…tumhe pta chal ajega.
    i gave clrk level st.attmptd 188 and got 150
    in PO level attmptd 174 and got 137….wish ki real exma me bhi itne attmpts kr pata 🙂

  5. Very nice…I have ST bt somehow not giving properly..bt yes I make plans to attempt it properly…..yr give me.sm tips dat how to prepare banking and ssc both together??

  6. apne bahut exam hain.. par wo apne core subjects se related hain..
    and general main.. cgl tier 2

  7. Kuch b ne hua..jis din koe b paper clear hoga I will inform u shayar….for sure

  8. Could anybody please suggest me good book for Maths and English for preparation of SSC Tier 2.

  9. plz koi suggest kro.. ssc result list me name nhi h but m 100 % confident hu mera name hona chaie tha… ans. key se match kie the us tym 140+ marks bn rhe the..
    ab kya krna chaie

  10. plz koi suggest kro.. ssc result list me name nhi h but m 100 % confident hu mera name hona chaie tha… ans. key se match kie the us tym 140+ marks bn rhe the..
    ab kya krna chaie ???

  11. Hi guys can someone suggest which mock test series is good for tier 2 for both maths and English

  12. I cleared Tier1
    Tier2 ke liye kya karna hoga ?

    Maine galti se Statistical bhi bhar diya tha ..can i skip that paper during exam ?

  13. I cleared Tier1
    Tier2 ke liye kya karna hoga ?

    Maine galti se Statistical bhi bhar diya tha ..can i skip that paper during exam ?

  14. Cgl mains ki tentative date aai h kya koi???
    Could you pls tell the tentative date of CGL Mains?

  15. plz provide History, polity and geography capsules again ..i have seen them a few months ago..why they removed from the SSC ADDA website now..,its my request mam please

  16. Can anybody tell me, where will I get the good test series from? Do we have any books available in the market or online which I can order?

  17. Guys i qualified in tier 1 , i didnt really prepare for cgl exam but the paper ws easy , Now i have some doubts , i dont have Statistical as my subject anywhere but while filling the form i tick marked that option too so now in the column it shows that am qualified for that exam too , somebody told me that i can skip that exam as i dont have it in my stream and that paper wont be added .. I mean they will calculate marks of Just
    TIER1+TIER2 Not Statistical if i skip the exam
    can someone pls verify this and tell me if its true ?

  18. Thanks u so much..sandeep sir,ayushi mam..
    I hv a request ,if possible plz kindly post or quiz related to pipes and cistern…it v'll be grateful us..!!

  19. Gud morning friends..have a nice day…..

    QUOYE OF THE DAY:-)

    CHARACTER IS THE RESULT OF TWO THINGS:MENTAL ATTITUDE AND THE WAY WAY WE SPEND OUR TIME….

  20. Can anyone please post the previous years question papers of Statistical Investigator ?

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