Question : Directions: After interchanging two signs and two numbers, the value of the given equation will be 44.
6 × 7 + 9 + 3 – 8
Option 1: + and ÷, 7 and 8
Option 2: + and –, 6 and 8
Option 3: × and +, 8 and 6
Option 4: × and ÷, 9 and 6
Correct Answer: + and ÷, 7 and 8
Solution :
Given:
6 × 7 ÷ 9 + 3 – 8
Interchange the signs and numbers according to the given options.
First option:
+ and ÷, 7 and 8
6 × 8 + 9 ÷ 3 – 7
6 × 8 + 3 – 7
48 + 3 – 7
= 44
Second option:
+ and –, 6 and 8
8 × 7 ÷ 9 – 3 + 6
8 × 0.777 – 3 + 6
9.222
≠
44
Third option:
× and +, 8 and 6
8 + 7 ÷ 9 × 3 – 6
8 + 0.777 × 3 – 6
= 4.331
≠
44
Fourth option:
× and ÷, 9 and 6
9 ÷ 7 × 6 + 3 – 8
1.28 × 6 + 3 – 8
2.68
≠
44
So, the first option satisfies the equation as it is equal to 44. Hence, the first option is correct.
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