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 'x', '!' stands for '+', '~' stands for '+', then find the value of: 14 ! 6 * 3 * 5 = ?
Show answer & explanation
Correct answer: D
Explanation
Substituting real signs:
'!' = '+', '*' = '-'
14 ! 6 * 3 * 5
= 14 + 6 − 3 − 5
= 20 − 3 − 5
= 17 − 5
= 12