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Find out the distinct numbers that can be formed by 2, 3,
7, 6(don?t now exactly) that should be divided by 4?
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Answer Posted / subbu
for a number to be divisible by 4, last two digits must be
divisble by 4.
so 32,36,72,76 are the only for possible combinations at
the last two positions.
The first position can be filled in 4 ways and similarly
second position also can be filled in 4 ways. so totally in
4*4=16 way for filling firt two positions.
So totally 16+4=20 distinct numbers can be formed
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