 
<translate> Jimlar lambobi bakwai = 7X18 = 126 Jimlar lambobi 3 na farko da na karshe 3 = 3 X 14 + 3 X 19 = 99 Lambar tsakiya ita ce (126 - 99 ) = 27 amsar ita ce (C). <eng> The total of seven numbers = 7X18 = 126
The total of first 3 and last 3 numbers is = 3 X 14+3 X 19 = 99
So, the middle number is (126 - 99 ) = 27 So the final answer is (C). 