Which of the following interchanges in two mathematical operators and two numbers will balance the equation
given below?
84 + 5 × 4 ÷ 32 - 7 = 75
NOTE: Operations should be performed on numbers not on Digits.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. ÷ and +, 5 and 7.
Given Equation : 84 + 5 × 4 ÷ 32 - 7 = 75
Putting Option 3 i.e. interchanging ÷ and +, 5 and 7 the equation becomes :
⇒84 ÷ 7 × 4 + 32 - 5 = 75 ( Using BODMAS)
12 × 4 + 32 - 5 = 75
48 + 32 - 5 = 75
80 - 5 = 75
75 = 75
Thus, the equation is satisfied.
Hence, ÷ and +, 5 and 7 is the correct answer.