Question
Download Solution PDFBy interchanging the given two signs and numbers which of the following equation will be correct?
+ and –, 7 and 6
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAccording to BODMAS rule,
By interchanging signs + and –, 7 and 6 by one by one option
1) 4 × 7 + 6 – 3 ÷ 1 = 20
4 × 6 - 7 + 3 ÷ 1 = 20
4 × 6 - 7 + 3 = 20
24 - 7 + 3 = 20
27 - 7 = 20
20 = 20
2) 8 × 7 + 5 ÷ 1 – 6 = 17
8 × 6 - 5 ÷ 1 + 7 = 17
48 - 5 + 7 = 17
50 ≠ 17
3) 7 – 6 × 3 + 4 ÷ 1 = 8
6 + 7 × 3 - 4 ÷ 1 = 8
6 + 21 - 4 = 8
23 ≠ 8
4) 7 × 2 – 6 + 4 ÷ 2 = 13
6 × 2 + 7 - 4 ÷ 2 = 13
12 + 7 - 2 = 13
17 ≠ 13
Hence, the correct answer is "Option 1".
Last updated on Jul 14, 2025
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