Question

find the missing terms, if following are in A.P: 2,_,26,_

Answer 1

2,13,26,52 answer found by this method:-
26÷2=13
therefore 2,13,26
same method again
26×2=52

Answer 2

2,14,26,38,50
Since b=(a+c)÷2
Therefore b=(2+26)÷2
b=14
Therefore common difference =12
so the last number is 38