The number aaaaaa, where 'a' is a single digit natural number not equal to 0, is divisible by
a. 11
b. 13
c. 143
d. all of these
Answer: d
How do u know whether a number is divisible by 13 ?
a. 11
b. 13
c. 143
d. all of these
Answer: d
How do u know whether a number is divisible by 13 ?
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