Question

without actual division test the divisibility of the following number by given number. by 3 and 5.​

Answer 1

Answer:

Step-by-step explanation:       the divisibility test for

3 is : add all the digits in the number given , and check if the sum is divided by 3 for ex:

       18 is the given number the digits are

1 and 8 , so as i said add them which is 1+8 = 9

so 9 =3*3 =9

9 divided by 3 ...........so 18 is divided by 3

                                                     as , 6*3 = 18

for 5 the last digit of a number should be either 0 /5

like 125 -divisible by 5

       34 not

       50 yes

                           this is very easy.....

                            plz give a thanks hit ....