Question

a)-4
9. The nth term of an AP is 7 - 4n, then its common difference is
b) - 3
c) 4
d) 3
10. In an AP, an -an-1 =
a) d
b) Sn
c) a
d) an
11. The list of numbers - 10, -6, -2,2, ........... is
a) not an AP
b) an AP with d=-4
c) an AP with d = 4
d) an. AP with d = 8
hab​

Answer 1

9] option d. 3

10] option c. a

11] option a. not an ap