Question

In the natural number from 10 to 250,how many are divisible by 4?​

Answer 1

Answer:

let no. between 10 to 250 the no. divisible by 4 are 12,16,20,24......248

it is an ap so,

a=12

d=4

l=248

n= no.of divisibles

l=a+(n-1)d

now put the value in the formula

248=12+(n-1)4

248-12=(n-1)4

236/4=n-1

59=n-1

59+1=n

Ans ; n=60