Question

If the
common
difference of an A.P is -6 then a16-a12 is
is
a)24
(b) 42
(C) 30
(d) - 24​

Answer 1

Step-by-step explanation:

Correct option is

A

−24

Given, d=−6

a

16

=a+15d

a

12

=a+11d

a

16

−a

12

=(a+15d)−(a+11d)=4d

∴a

16

−a

12

=4×−6=−24