After interchanging + & × and 15 & 30, which of the following equations will hold true?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. (30 + 4) × 15 = 90.
Option 3) (30 + 4) × 15 = 90
On interchanging the number and sign:
(15 × 4) + 30 = 4
60 + 30 = 90
90 = 90