(a) How many five digits numbers divisible by 3 can be formed using the digits \( 0,1,2,3,4,7 \)...

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(a) How many five digits numbers divisible by 3 can be formed using the digits \( 0,1,2,3,4,7 \) and 8 if each
P digit is to be used atmost once.

W
(b) Find the number of 4 digit numbers that are multiples of four and can be formed from the digits \( 0,1,2,3,4,5 \) and 6 such that each digit occurs exactly once.
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