Pergunta de entrevista da empresa KeyBank

How Many 9 are in 1-100

Respostas da entrevista

Sigiloso

10 de out. de 2011

It's 20 because "99" has 2 9's in it

4

Sigiloso

3 de out. de 2010

the answers is 19 = see below 1 9 2 19 3 29 4 39 5 49 6 59 7 69 8 79 9 89 10 90 11 91 12 92 13 93 14 94 15 95 16 96 17 97 18 98 19 99

3

Sigiloso

5 de jan. de 2010

20

2