Question

In the natural no. From 10to 250 how many are divisible by 4

Answer 1

A.P is 12, 16,. 20 ,24.....996

a= 12

d = 4

an= 996

an = a+(n-1) d

996 = 12 + ( n-1)4

996 = 12+4n-4

996+4 =12+4n

1000-12= 4n

988÷4= n

247=n

total no . from 10 to 250 are divisible by 4 are 247