A number is divisible by 3, if the sum of its all digits is a multiple of 3 or divisibility by 3.

Consider the following numbers to find whether the numbers are divisible or not divisible by 3:

**(i) 54**

Sum of all the digits of 54 = 5 + 4 = 9, which is divisible by 3.

Hence, 54 is divisible by 3.

**(ii) 73**

Sum of all the digits of 73 = 7 + 3 = 10, which is not divisible by 3.

Hence, 73 is not divisible by 3.

**(iii) 137**

Sum of all the digits of 137 = 1 + 3 + 7 = 11, which is not divisible by 3.

Hence, 137 is not divisible by 3.

**(iv) 231**

Sum of all the digits of 231 = 2 + 3 + 1 = 6, which is divisible by 3.

Hence, 231 is divisible by 3.

**(v) 194**

Sum of all the digits of 194 = 1 + 9 + 4 = 14, which is not divisible by 3.

Hence, 194 is not divisible by 3.

**(vi) 153**

Sum of all the digits of 153 = 1 + 5 + 3 = 9, which is divisible by 3.

Hence, 54 is divisible by 3.

**(vii) 171**

Sum of all the digits of 171 = 1 + 7 + 1 = 9, which is divisible by 3.

Hence, 171 is divisible by 3.

**(viii) 277**

Sum of all the digits of 277 = 2 + 7 + 7 = 16, which is not divisible by 3.

Hence, 277 is not divisible by 3.

**(ix) 276**

Sum of all the digits of 276 = 2 + 7 + 6 = 15, which is divisible by 3.

Hence, 276 is divisible by 3.

**(x) 179**

Sum of all the digits of 179 = 1 + 7 + 9 = 17, which is not divisible by 3.

Hence, 179 is not divisible by 3.

**● ****Fill the correct lowest possible digit in the blank space to make the number divisible by 3.**

(i) 16335_

(ii) 20_984

(iii) 8422_1

(iv) 749_261

(v) 999_32

(vi) 1_7073

**Answer:** (i) 3

(ii) 4

(iii) 1

(iv) 1

(v) 1

(vi) 3

**Problems on Divisibility Rules**

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**5th Grade Math Problems**** ****From Divisible by 3 to HOME PAGE**

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