Question

Find the missing series 5, 7.5, 12.5, 22.5,?
(b)
42
(a) 42.5
(d)
43.5
(c)
44​

Answer 1

Answer:

option (a) 42.5

Step-by-step explanation:

5 * 2 -2.5= 7.5

7.5*2-2.5=12.5

12.5*2-2.5=22.5

22.5*2-2.5=42.5

Therefore,42.5 is the missing number