Question

Quantos números pares de três algarismos distintos podemos formar com os algarismos 1,2,3,4,,5,7 e 9?

Answer 1

                                                       124,132,134,142,154,152,174,172,194,192,234,254,274,294,214,314,324,354,374,394,312,352,372,392,412,432,452,472,492,512,532,572,592.514.534,574,594,712,732,752,792,714,734,754,794,912,931,952,972,914,934,954,974