self
Maths Puzzle
how many 6 digits even no can be formed from digits 1,2,3,4,5,6 and 7 so that the digits should not repeat??
Read Solution (Total 1)
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- for even number, last digit must be 2 or 4 or 6
so 3 chances for last digit
so the possible numbers are= 2*3*4*5*6*3=2160 - 11 years agoHelpfull: Yes(1) No(0)
self Other Question
how many 4 digit numbers divisible by 5 can be formed with digits 0,1,2,3,4,5,6 and 6?
how many 4 digit nos are there which have digits 1,2,3,4,5,6,7 and 8 such that digit 1 appears only once?