Correct option is B
Given,
62 * 11 * 42 * 6 * 18 * 21 * 7
* replace by =, ×, ÷, -, +, ÷ and apply BODMAS rule,
62 = 11 × 42 ÷ 6 – 18 + 21 ÷ 7
62 = 11 × 7 – 18 + 3
62 = 77 – 18 + 3
62 = 80 – 18
62 = 62
Thus, the correct answer is (b).