Question

plz solve this question

Answer 1

2. i) 10,20,30,40 3. ii) a= -5 d=4

Answer 2

1-i taxi fare
First distance =Rs15 and every next km 8
=>15+8+8+....+n8
=>yes because 15 then (15+8=23) then (23+8=31)
=>15, 23, 31 are an ap

2-i
a=10 d=10
=>ap=10, 10+10, 20+10 30+10
=>10, 20, 30, 40......


3-ii
a=(-5)
d=(-1)-(-5)
=>-1+5
=>4
d=4