343 : 7 :: 6859 : ?
ক
15
খ
18
গ
19
ঘ
22
সঠিক উত্তর: 19
From analyzing the left side, we can conclude that 343 is the cube of 7. By using the same logic, we can conclude that 6859 is the cube of 19. Hence, 19 is the answer.