In this type of questions, question is provided with substitutes for various mathematical symbols, followed by a question involving calculation of an expression or choosing the correct/incorrect equation. You have to put the real signs in the given equation and then solve the questions as required.
If '^' stands for '+', '~' stands for '×', '@' stands for '÷', '?' stands for '-', then find the value of: 7 @ 14 ^ 4 ? 12 = ?
Show answer & explanation
Correct answer: D
Explanation
After replacing the symbols with the actual operations:
= 7 ÷ 14 + 4 - 12
= 7 ÷ 14 + 4 - 12
= 1/2 - 8
= -15/2
Option (4) is the correct answer.