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How many two digit no you make by 1,2,3,4,0

Read Solution (Total 1)

No.of ways are 4c1*4c1 (Assuming no repeat of numbers). So total 16 numbers.

With repeat, another 4 numbers can be prepared. So 20 Numbers with repeat number in 1st and 2nd Digit.

Here are the numbers
10,12,13,14,20,21,23,24,30,31,32,34,41,40,42,43 (Without Repeat)

11,22,33,44 are the four additional numbers with repeat
12 years agoHelpfull: Yes(0) No(0)

Patni Other Question

between 100 to 200 how many no are divisible by both 3 and 2 and 100,200 are inclusive? In a GD there is no restriction in saying something between the participants. A, B, C, D, E be the participant. What's is probability to say B before A. i) 20%, ii) 40%, iii) 50%, iv) none of these.