Campus Maths Puzzle Numerical Ability

how many 4 digit numbers can be formed by using 0,1,2,3,4,5. divisible by 4

Read Solution (Total 2)

for divisible by 4 last two digits fixed : 04,12,32,40,44,52.
bcoz repetition is not mention than we use repetition.
for first 2 digits are for 04 is 12,13,15,21,31,51,35,53,25,52,14,41.......... etc they are 29 case
also for 12,32....... etc. we found 29 case each
so add all case so answer is 174
10 years agoHelpfull: Yes(0) No(1)

for divisible by 4 last two digits fixed : 04,12,32,40,44,52.
in 1st pos 5 values can be placed except 0.
on 2nd 6 choices are there so->5*6*6=180
9 years agoHelpfull: Yes(0) No(1)

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