Select the correct equation after interchanging operations ‘+’ and ‘-’ and numbers ‘4’ and ‘8’.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3, i.e. 4 - 8 + 11 = 1.
| Understanding |
|
Option 1) 2 + 8 - 4 = 9 after interchanging operations ‘+’ and ‘-’ and numbers ‘4’ and ‘8’ 2 − 4 + 8 = 9 (not staisfied) Option 2) 8 + 4 - 2 = 10 after interchanging operations ‘+’ and ‘-’ and numbers ‘4’ and ‘8’ 4 − 8 + 2 = 10 (not staisfied) Option 3) 4 - 8 + 11 = 1 after interchanging operations ‘+’ and ‘-’ and numbers ‘4’ and ‘8’ 8 + 4 − 11 = 1 (staisfied) Hence, the correct answer is option 3. |