Correct Answer - Option 2 : ÷ and -
Given equation : 42 ÷ 23 + 870 × 3 - 5 = 541
Checking with the options
option 1) + and ×
42 ÷ 23 × 870 + 3 - 5
= 1.826 × 870 + 3 - 5
= 1588.62 + 3 - 5
= 1586.62
option 2) ÷ and -
42 - 23 + 870 × 3 ÷ 5
= 42 - 23 + 870 × 0.6
= 42 - 23 + 522
= 541
option 3) × and ÷
42 × 23 + 870 ÷ 3 - 5
= 42 × 23 + 290 - 5
= 966 + 290 - 5
= 1251
option 4) + and -
42 ÷ 23 - 870 × 3 + 5
= 1.83 - 2610 + 5
= - 2603.17
Hence, the answer is ÷ and -
Don't do the whole calculation starting from option 1.
Focus on the division part first, those which give integer then proceed further.
