Insert the missing number:
5 9 4
43 61 38
19 ? 17

প্রশ্ন: Insert the missing number:
5 9 4
43 61 38
19 ? 17

সমাধান:
এখানে,
43 - 5 = 38; 38/2 = 19

61 - 9 = 52; 52/2 = 26

38 - 4 = 34; 34/2 = 17