Question

(u) Bab 4b
pesh has forgotten his combination of lock number. He knows that it is
four-digit odd number, which is divisible by 3. Also, the ones digit and hundred
diat are the same. Tens digit and thousands digit are same too. The tens digit
maller than ones digit. He is pretty sure that there are no zeroes. How man
numbers would satisfy these conditions ?
din Roman
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Answer 1

15 is the correct answer...