Question

in an examinatio. the total marked scored by rahul in different subject are 284 and average come out to be 71 find the number of subject whose total is 284

Answer 1

4 subjects
because to get the average you have to divide the total marks by the number of subjects so when 284 is divided by 4 it gives 71

Answer 2

total marks= 284
average = 71
total subjects = x

so...

total marks/total subjects =average

284/x = 71

284 = 71x

x= 284/71

x= 4

so 4 subjects is the ans....