Pierakstīties
JEE Advance - Mathematics (1998 - No. 9)
Seven white balls and three black balls are randomly placed in a row. The probability that no two black balls are placed adjacently equals
$$1/2$$
$$7/15$$
$$2/15$$
$$1/3$$
komentāri (0)
Piesakieties, lai komentētu
Reklāma
Ļaujiet javascript pareizi ielādēt šo lapu
