Question

6
Without repeating the digits, how many 4 digit numbers can be formed from 2.
6,7 and 3 when the digits in ones place is smaller than that in the thousands
place
12
18​

Answer 1

Answer:

12

Step-by-step explanation:

12 4 digits can be formed....

Answer 2

Answer:

Without reputation number of digits are arranged as twelve ways.

Step-by-step explanation:

Given:

$2,6,7,3$ are four numbers.

Once place is smaller than thousand place.

Calculations:

Here ones place is smaller than thousand place. Which means that we cannot add number $7$ in ones place and number $2$ in thousand place.

Number of ways $4$ digit box are filled as;

1. The ones place is filled with $3$ ways.
2. Tens place can filled as $3$ ways.
3. Hundred place can filled as $3$ ways.
4. Thousand place can filled as $3$ ways.

Therefore, Total number of ways =$3+3+3+3$

                                                      =  $12$ ways