Question

in the natural numbars From 10 to 250 how many are divisible by 4​

Answer 1

Step-by-step explanation:

Natural numbers between 10 and 250 which are divisible by 4: 12,16,20.....

Let a be the first term and d be the common difference.

First term a = 12.

Common difference d = 4.

Last term an = 248.

We know that number if terms of an AP an = a + (n - 1) * d

                                                                   248 = 12 + (n - 1) * 4

                                                                   248 = 12 + 4n - 4

                                                                   248 = 4n + 8

                                                                   248 - 8 = 4n

                                                                   240 = 4n

                                                                   n=60.

Therefore, There are 60 numbers which are divisible by 4 between 10 to 250.

Hope this helps!

Answer 2

Answer: 60

Step-by-step explanation: All even numbers whose last two digits are divisible by 4 are divisible by 4.

In the case of numbers between 10 and 250, the following are divisible by 4.

12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, ———(n+4) ——till 248 are divisible by 4.