​Find the missing number:
47×38 = 8374, 53×16 = 6135, 20×92 = ?

Given: 47×38 = 8374 and 53×16 = 6135 

Logic: Numbers are written in reverse way.

For, 47×38 = 8374

Reverse - 8374

For, 53×16 = 6135

Reverse - 6135

Similarly,

20×92 = ?

Reverse - 2902

Thus, correct option is (b).