A set of numbers has the property that for any number x in the set, x+4 is also in the set. If -4 is in the set, which of the following must also be in the set
1. 0
2. -8
3. 8 Options
A) 1 only  B) 2 only  C) 1 and 2 only  D) 2 and 3 only  E) 1,2 and 3
If X is in the set than X+ 4 is also in the set   If -4 in the set than    -4+4= 
<gadget id="calculator"> -4+4</gadget>
<output>0</output>
0 is also in the set   Since + 4 is Present, 4 + 4= 8 Is also present in the set .   Therefore Ans 1 and 2 only
<result>C</result>
A set of numbers has the property that for any number x in the set, x+4 is also in the set. If -4 is in the set, which of the following must also be in the set
1. 0
2. -8
3. 8