percentage

percentage:-

100%  = 1
90%    =9/10
80%    = 80/100   =4/5
70%    = 70/100   =7/10
60%    = 60/100   =3/5
50%    =  50/100   =1/2
40%    =  40/100 = 2/5
30%    = 30/100   =3/10
25%    = 25/100    =1/4
20%    = 20/100    =1/5
10%    =10/100    =1/10


other form

1/2   =50%
1/3   =33.33%
1/4   =25%
1/5   =20%
1/6   =16.66%
1/7   =14.28%
1/8   =12.5
1/9   =11.11%
1/10   =10%
1/11   =9.99%


If the price of a commodity increases by a% then the reduction in sonsumption so as not to increase the expenditure is:
     ( p/p+100)*100
question
1. A batsman scored 110 runs which included 3 boundaries and 8 sixes what percent of his total score did he make by running between the wickets?
A. 45%  b 45 5/11 %      c. 54  6/11%              D  55%

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Multification 11 with any number of three digits

1.
213*11 =  take 2 then take 2 and 1 and add them then take 1 and 3 and add them and then take 3
            = so  2    (2+1)     (1+3)    3
            = so ans is 2343

another example is
352*11 = 3   (3+5)    (5+2)    2
            = so ans is 3872

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