Question

inthe A.P;10,7,4.........-62,the 11th term from the last is

Answer 1

let the AP from last be -62,-59.....by
an=a +(n-1)d
-62+(11-1)3
-62+30
-32

Answer 2

to find the 11 term from the last , write the AP in reverse
So AP becomes
-62,...........4,7,10
according to this
a=-62
d=3
a11=a+10d
=-62+10*3
=-62+30
=-32