Question

The average of 7, 14, 21, 28 .......... 77 is​

Answer 1

Answer:

The average of 7, 14, 21, 28 .......... 77 is 42

Answer 2

The answers of 7,14,21........ 77 ,are obtained by multiplying 1 into 1,2,3,.....,11

So the complete numbers are,

7,14,21,28,35,42,49,56,63,70,77

Average= sum of all item

______________

no. of items

=7+14+21+28+35+42+49+56+63+70+77

_____________________________

11

= 462/11=42 (Ans)