12. PLAYING WITH NUMBERS
Explanation:
24, 48, 72, 96
Multiples of 8 = 8, 16, 24, 32, ..
Multiples of 12 = 12, 24, 36, 48...
The first common multiple will be 24
And the next common multiples will be multiples of 24
Hence, first four common multiples of 8, 12 are 24, 48, 72, 96