Question
Download Solution PDFBy interchanging the given two numbers which of the following equation will be not correct?
5 and 9
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAccording to the question, after interchanging the given two numbers '5 and 9' :
So,
- Option - (1) : 9 × 4 + 5 - 8 ÷ 2 = 25
5 × 4 + 9 - 8 ÷ 2 = 25
5 × 4 + 9 - 4 = 25
20 + 9 - 4 = 25
29 - 4 = 25
25 = 25 (LHS = RHS)
- Option - (2) : 9 - 5 × 4 + 6 ÷ 3 = -30
5 - 9 × 4 + 6 ÷ 3 = -30
5 - 9 × 4 + 2 = -30
5 + 2 -36 = -30
7 - 36 = -30
-29 ≠ -30 (LHS ≠ RHS)
- Option - (3) : 9 + 7 × 8 ÷ 4 - 5 = 10
5 + 7 × 8 ÷ 4 - 9 = 10
5 + 7 × 2 - 9 = 10
5 + 14 - 9 = 10
19 - 9 = 10
10 = 10 (LHS = RHS)
- Option - (4) : 9 - 4 × 5 + 6 ÷ 2 = -28
5 - 4 × 9 + 6 ÷ 2 = -28
5 - 4 × 9 + 3 = -28
5 + 3 - 36 = -28
8 - 36 = -28
-28 = -28 (LHS = RHS)
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