Question

The common difference of the AP 15 ,19,23 is (a)15 (b) -4 (c)4 (d) 0
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Answer 1

Step-by-step explanation:

d = 19-15 = 4

Ans. c)4

I hope it helps

Answer 2

Answer:

c) 4

Step-by-step explanation:

common difference, d= a2 - a1

here, a1=15 and a2=19

so,

d= 19-15

d=4