SSC JE Mechanical Engineering 28-Oct-2020 Shift 1 Papers

The logic follows here is:
The G.C.F of the number (256, 32) is 32.
So,
When the highest number is divided by its H.C.F it equal to 8.
256 divided by 32 = 8
256 ÷ 32 = 8
Similarly,
The H.C.F of the number (96, 12) is 12.
So,
96 divided by 12 = 8
96 ÷ 12 = 8
Hence, the correct answer is "96 : 12".