Math, asked by shubhamkha26, 21 days ago

2) 1, 2, 3, 4, 5, 6 व 7 हे अंक फक्त एकदाच वापरू व अंकांची पुनरावृत्ती न करता 3 अंकी किती संख्य
तयार होतील?
1) 210
2) 42
3) 70
4) 200​

Answers

Answered by krishnapathak056
0

1) 210

Step-by-step explanation:

As one number out of the seven is selected for the first digit , the second digit can be selected in 6 different ways.

similary , the third digit in 5 ways.

So , 7 * 6 * 5 ways in total . 210 ways

Similar questions