Correct Answer - Option 1 : 4
Hence, the correct answer is option 1.
If we multiply the digits within the, then we get
2 × 7 × 9 = 126
8 × 3 × 9 = 216
5 × 9 × 8 = 360
3 × 6 × 8 = 144
2 × 9 × 6 108
6 × 3 × 5 = 90
We can see, there are only 4 numbers whose digits’ multiplication is less than 200.