Question

how many even numbers are there in between 1 and 20​

Answer 1

Answer:

there are 2,4,6,8,10,12,14,16,18,20

are the numbers between 1 to 20

Answer 2

Explanation❤

1st even number is 2 then ,

a=2

2nd even number is 4 then,

d=2

Tn= a+(n-1)d

20=2+(n-1)2

20=2+2n-2

20=2n

n=20/2

n=10

So ,between 1 and 20 there are ten even numbers .