Question

How many even number those are 20 and 50 between number

Answer 1

Answer:

14

Step-by-step explanation:

22 ,24,26,......,48

last term = aₙ = 48

a=22

d= 24-22=2

aₙ = a + (n-1)d

48 = 22+(n-1)2

48-22 = 2n-2

26 + 2 =2n

28 =2n

14=n

So number of even no.  between 20 and 50 is 14