if 4y2, where y is a digit, a multiple of 3, then y can have any of the value:
(a) 0,3,6,9,.......
(b) 0,3,6 or 9
(c) 9,12 or 15
(d) 6,9 or 12
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Answer:
b) is the answer because a no. is said to be divisible by 3 only when sum of all the digits of no. is divisible and in this case it is only possible when we choose option b).
This is the best possible answer
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