Question

how many natural numbers from 10 to 250 are divisible by 3​

Answer 1

Answer:

ANSWER

Let a be first term & d be the common difference

a=12

d=14

a

n

=248

a

n

=a+(n−1)d

248=12+(n−1)4

⇒248−12=4(n−1)

⇒236=4n−4

⇒240=4n

⇒n=60

∴ There are 60 numbers between 10 & 250 that are divisible by 4.