 
 <translate> The total of seven numbers = 7X22 = 154
The total of first 3 and last 3 numbers is = 3 X 14+3 X 19 = 99
So, the middle number is (154 - 99 ) = 55 The final answer: (B). <ibo> Ọnụ ọgụgụ nke nọmba asaa = 7X22 = 154 Nchịkọta nke nọmba 3 mbụ na nke ikpeazụ bụ = 3 X 14 + 3 X 19 = 99 Ya mere, nọmba dị n'etiti bụ (154 - 99 ) = 55 Azịza ikpeazụ: (B). 