What will come in place of the question mark (?) when + and − are interchanged and 8 and 6 are also interchanged?
8 − 6 + 10 =?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 4.
8 - 6 + 10 = ?
After interchangeing signs,
= 6 + 8 - 10
= 14 - 10 = 4.