Answer:
249, 924, 492 etc
Explanation:
Given 3 digits 2,9,4 we have to write three digit number.
There are total 6 numbers formed from these above 3 digits when places are changed.
Some of these numbers are:
249: the 2 is in the hundreds place, 4 is in the tens place, and the 9 is in the ones place.
924: the 9 is in the hundreds place, 2 is in the tens place, and 4 is in the ones place.
492: the 4 is in the hundreds place, 9 is in the tens place, and 2 is in the ones place.