By interchanging the given two numbers (not digits) which of the following equation will be correct?
6 and 9
I. 7 × 9 + 6 - 5 ÷ 1 = 46
II. 3 × 9 + 6 - 8 ÷ 2 = 23
Show answer & explanation
Correct answer: C
Explanation
I. 7×9+6−5÷1=46
Substituting 6 and 9:
7×6+9−5÷1=46
7×6+9−5=46
42+9−5=46
46 = 46
The equation is correct.
II. 3×9+6−8÷2=23
Substituting 6 and 9:
3×6+9−8÷2=23
3×6+9−4=23
18+9−4=23
23 = 23
The equation is correct.
Conclusion: Both equations are correct.
Correct Answer: 3) Both I and II.