Question

if 4y7 is exactly divisible by 3. then least value of y is ???
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Answer 1

Answer:

4 _ 7

Here,

4 + 7 = 11

11 is not divisible by 3

If we add 1 in the place of y

That is,

4 1 7

417 is exactly divisible by 3

417 ÷ 3 = 139

∴ y = 1