Question

Which of the following numbers are divisible by both  3 and 9 ?
options
( a ) 640   ( b )  308   ( c )  108   ( d )  349
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Answer 1

Answer:

Answer is ( c ) 108

Step-by-step explanation:

108 ÷ 3 = 36

108 ÷ 9 = 12

Answer 2

Answer:

We will test with divisibility test. This is easiest method

(a) 6+4+0 = 10 is not divisible by 3 and 9

(b)3+0+8= 11 is not divisible by 3 and 9

(c)1 + 0+8 = 9 is  divisible by 3 and 9

(d) 3 + 4+9 = 16 is not divisible by 3 and 9

Here we got answer C.

Step-by-step explanation:

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