1.

Test the divisibility of each of the following numbers by 5: (i) 95 (ii) 470 (iii) 1056 (iv) 2735

Answer»

(i) 95

We know that if units place is divisible by 5, ie. units place is having value either of 0 or 5, then our number is divisible by 5. 

Here units place is 5, which is divisible by 5. 

Hence, 95 is divisible by 5.

(ii) 470 

We know that if units place is divisible by 5, ie. units place is having value either of 0 or 5, then our number is divisible by 5. 

Here units place is 0, which is divisible by 5. 

Hence, 470 is divisible by 5.

(iii) 1056 

We know that if units place is divisible by 5, ie. units place is having value either of 0 or 5, then our number is divisible by 5. 

Here units place is 6, which is not divisible by 5. 

Hence, 1056 is not divisible by 5.

(iv) 2735 

We know that if units place is divisible by 5, ie. units place is having value either of 0 or 5, then our number is divisible by 5. 

Here units place is 5, which is divisible by 5. 

Hence, 2735 is divisible by 5.



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