In an empty circular queue Q, if Q->Front is 238 then Q->Rear should be Select one: a. 237 b. 239 c. 236 d. 238 In C language, is a complex data type whose value is a data collection. Select one: a. typedefs b. typedef C. struct d. structs If Interpolation Search is used, data must be Select one: a. stored and sorted in an array b. stored and sorted in a linked list C. stored in a binary search tree od stored in a hash table