Question

find number of natural number between 102 and 998 which are divisiable by both 2 and 5​

Answer 1

HEY MATE!!!!! HERE'S UR ANSWER

The numbers which are divisible by both 2 and 5 are divisible by 10 also. 

Now, the numbers between 102 and 998 which are divisible 10 are 110, 120, 130, .., 990. 

Clearly, these number are in AP.

Here, a = 110 and d =120 -110 = 10 

Let this AP contains n terms.

Then, Hence, there are 89 numbers between 102 and 998 which are divisible by both 2 and 5.

Hope it helps u.....^_^

PLS MARK ME BRAINLIEST........

and also follow me.......

Answer 2

Pls refer to the attachment above........

There is ur answer.......

☺☺☺☺