What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.) (598.92 ÷ (59.87 − 19.92) × 6.96) + ? = 19.92 × 11.98

Which of the following is the closest approximation to the product of 0.2222 × 0.16 × 0.399 × 0.115 × 20?

What approximate value should come in place of the question mark (?) in the following expression? (Note: You are not expected to calculate the exact value.)3199.98 ÷ 79.99 × 45.02 = ? + 124.97