Out of 4 numbers Selectin 1 no =4P1 =4
then we can Select 1st number
Then we have only 3 no for selecting
Out of 3 numbers Selectin 1 no =3P1 =3
then we Select 2nd number
Then we have only 2 no for selecting
Out of 2 numbers Selectin 1 no =2P1 =2
then we Select 3nd number
Only possible combination is 4*3*2 =24
machan duka, mage maths denuma anuwa car 50 k neme 99k ma denna puluwan. okkoma ilakkam 99k thnawa. oya sankarana widiyata gaththoth. sanyojana widiyata gaththoth thawath gana wedi wenawa.
--> 1, X,Y,Z
--> 2, X,Y,Z
--> 3, X,Y,Z
..............
..............
--> 99, X,Y,Z
out of 99 numbers select 1 number 99P1
then out of 98 numbers, should select 1 number 98P1
possible combinations are == 99P1*98P1*97P1*96P1