Question

how many multiples 4 lie between 10and 250

Answer 1

your answer is in the photo.

Answer 2

Heya !

First multiple of 4 between 10 and 250 = 12

Last multiple of 4 between 10 and 250 = 248

a=12

d=4

Tn=248

Tn = a + (n-1)d
248 = 12 + (n-1)4
236 = (n-1)4
59 = n-1

n=60

60 multiples of 4 lies between 10 and 250

Wish it helps :D