Question
Which of the following is divisible by 15?
This question was previously asked in
RPF Constable 2018 Question Paper PDF (16-Feb-2019) (Shift 2)
The correct answer is
74355
74355 is correct.
A number is divisible by 15 when it is divisible by both 3 and 5.
All four numbers end in 5, so each is divisible by 5. Digit sums: 74255 → 23, 74345 → 23, 74365 → 25, 74355 → 24.
Only 24 is a multiple of 3, so 74355 is divisible by 15 (\(74355=15\times 4957\)).
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