Rajasthan Police Constable Model Paper 7

The pattern followed here is,
-3 % 1 = -3 × 1 × (-1) = 3
3 % 6 = 3 × 6 × (-1) = -18
-7 % 4 = -7 × 4 × (-1) = 28
Similarly,
-2 % 9 = -2 × 9 × (-1) = 18
Hence, 18 is the correct answer.