Question

Is the given Progression arithmetic progression?Why$2,3,5,7,8,10,15,.........$

Answer 1

Given sequence

$2,3,5,7,8,10,15,....$

Difference between consecutive number must in a sequence be equal to be an AP

Here $3-2=1$

$5-3=2$

$1\ne 2$

$\therefore$ It is not an AP.