Question

how to solve prolems on percentage and average topics

Answer 1

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.

Answer 2

a)in percentage you have to number
                                     _______ multiply by 100  (or) number/number *100= 
                                     number  
b)in average for ex: 2,4,6,5,1
2+4+6+5+1=18 
(here you have 5 numbers so divide 18 by 5)
18 divided by 5 =3.6