By interchanging the given two signs, which of the following equations will NOT be correct?
+ and ×
I. 180 − 32 + 3 × 148 ÷ 37 = 88
II. 204 ÷ 17 × 23 + 5 − 97 = 50
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Only II.
Given condition: + and × are interchanged
After interchanging;
I. 180 − 32 × 3 + 148 ÷ 37 = 88
= 180 − 32 × 3 + 148 ÷ 37
= 88 = 88
II. 204 ÷ 17 × 23 + 5 − 97 = 50
= 204 ÷ 17 + 23 × 5 − 97
= 30 is not equal to 50.