Here's the question bank on all the general aptitude topics.
Which two signs should be interchanged to make the following equation mathematically correct?60 + 4 × 4 - 2 ÷ 2 = 57
For this question, we will use the table given below-Option (1): +, ÷Old equation: 60 + 4 × 4 - 2 ÷ 2 = 57New equation: 60 ÷ 4 × 4 - 2 + 2 = 57According to the BODMAS rule-15 × 4 - 2 + 2 = 5760 -2 + 2 = 5760 ? 57Option (2): ×, ÷Old equation: 60 + 4 × 4 - 2 ÷ 2 = 57New equation: 60 + 4 ÷ 4 - 2 × 2 = 57According to the BODMAS rule-60 + 1 - 2 × 2 = 5761 - 4 = 5757 = 57Option (3): +, -Old equation: 60 + 4 × 4 - 2 ÷ 2 = 57New equation: 60 - 4 × 4 + 2 ÷ 2 = 57According to the BODMAS rule-60 - 16 + 1 = 5744 + 1 = 5745 ? 57Option (4): -, ÷Old equation: 60 + 4 × 4 - 2 ÷ 2 = 57New equation: 60 + 4 × 4 - 2 ÷ 2 = 57According to the BODMAS rule-60 + 16 - 4 = 5776 - 4 = 5772 ? 57Hence, Option (2) is correct.
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