10. A is a digit and 3A18 is a multiple of 6. Which of the following
be the value of A?
(a) 1 or 9
(b) 3 or 6
(c) O or 7
(d) Oor 9
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Answered by
15
Answer:
if a no. is divisible by 6. must be divisible by 2 and 3
if no. sum is divisible is 3 then no. is divisible 3
3A18=3+A+1+8
=12+A
if A=3, 12+3=15
if A=6 12+6=18
hence A=3 or 6
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2
Answer:
answer in the pik
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