Divisible by 10

Divisible by 10 is discussed below.

Consider the multiples of 10 : 10, 20, 30, 40, 50, .......

All the multiples of 10 end in 0.

A number is divisible by 10 if the digit in the units place is zero.

1. Consider the following numbers which are divisible by 10, using the test of divisibility by 10:

110, 200, 360, 490, 1190, 1510 here all these number is divisible by 10 because their units place is 0.

Similarly, the numbers 120, 60, 1080, 170, 510, 120 are divisible by 10 because their units place is 0.

Similarly again, 180, 170, 230, 910, 470, 300 are also divisible by 10 because their units place is 0.

2. Consider the following numbers which are not divisible by 10, using the rules of divisibility by 10:

317, 125, 103, 1009 here all these numbers are not divisible by 10 because their units place is not 0.

Similarly, the numbers 141, 63, 87, 105, 503, 129 are not divisible by 10 because their units place is not 0.

Similarly again, 101, 1109, 203, 1101, 405, 307 are also not divisible by 10 because their units place is not 0.

Note: A number is divisible by 10 if it has zero (0) in its units place.

Questions and Answers on Divisible by 10:

1. What is the smallest number that should be added to the following numbers to get a number divisible by 10?

(i) 174

(ii) 5008

(iii) 1836

(iv) 9912

(v) 251

Answer:

1. (i) 6

(ii) 2

(iii) 4

(iv) 8

(v) 9

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