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In average we have to add up the given numbers and divide it by the number of times.
In percentage u have to write first no./second no. *100.
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A)in percentage you have to number
                                     _______ multiply by 100  (or) number/number *100= 
b)in average for ex: 2,4,6,5,1
(here you have 5 numbers so divide 18 by 5)
18 divided by 5 =3.6
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