Here's the question bank on all the logical reasoning topics.
Which two signs should be interchanged to make the given equation correct?128 + 8 × 2 ÷ 4 - 6 = 30
By using BODMAS RULE :Option 1) : × and -Given equation is : 128 + 8 × 2 ÷ 4 - 6 = 30After interchanging the symbols in given equation the equation is as follows : ? 128 + 8 - 2 ÷ 4 × 6 = 30? 128 + 8 - 0.5 × 6 = 30? 128 + 8 - 3 = 30? 136 - 3 = 30? 133 ? 30LHS ? RHSOption 2) : ÷ and -Given equation is : 128 + 8 × 2 ÷ 4 - 6 = 30After interchanging the symbols in given equation the equation is as follows : ? 128 + 8 × 2 - 4 ÷ 6 = 30? 128 + 8 × 2 - 0.66 = 30? 128 + 16 - 0.66 = 30? 144 - 0.66 = 30? 143.34 ? 30LHS ? RHSOption 3) : ÷ and +Given equation is : 128 + 8 × 2 ÷ 4 - 6 = 30After interchanging the symbols in given equation the equation is as follows : ? 128 ÷ 8 × 2 + 4 - 6 = 30? 16 × 2 + 4 - 6 = 30? 32 + 4 - 6 = 30? 36 - 6 = 30? 30 = 30LHS = RHSOption 4) : - and +Given equation is : 128 + 8 × 2 ÷ 4 - 6 = 30After interchanging the symbols in given equation the equation is as follows : ? 128 - 8 × 2 ÷ 4 + 6 = 30? 128 - 8 × 0.5 + 6 = 30? 128 - 4 + 6 = 30? 134 - 4 = 30? 130 ? 30LHS ? RHSHence, the correct answer is "÷ and +".
Scan QR code to download our App for
more exam-oriented questions
.png)
OR
To get link to download app