Correct option is D
Given equation 16 * 31 * 18 * 2 * 11 * 494
On applying ×, +, ÷, -, = the sings and follow the BODMAS rule-
16 × 31 + 18 ÷ 2 - 11 = 494
16 × 31 + 9 - 11 = 494
496 + 9 - 11 = 494
496 + 9 - 11 = 494
505 – 11 = 494
494 = 494
Therefore, the correct answer is (d).