The odd numbers are 1,3,5,7,9. 9 is the fifth odd number. So the number is __9. The digits add up to 22. 22-9 is 13, so the other two digits add up to 13. The sums for thirteen are 9+4, 8+5 and 7+6. The number rounds to 900. The number is either 859 or 949.
Either 859 or 949
923
196, 198, 202, 204
the answer is 135
266, 267, 268
2 is prime, its only factors are one and itself.
12
There are 900 three-digit numbers, ranging from 100 to 999.
0.12 Or 102 if you do not want to include non integers.
2087
The smallest 3 digit counting number less than 1000?? 100
4*9 = 36 so 360 is one possible answer.
111,112,121,211,122,212,221,222,113,131,311,133,313,331,333,223,232,322,233,323,332,123, 132, 213, 231, 312, 321
it is int n=123; printf ("%d", (n/10)%10);