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 ! 10 ^ 3 ! 4 = ?
Show answer & explanation
Correct answer: B
Explanation
% means ×
# means ÷
^ means −
! means +
Equation:
7 ! 10 ^ 3 ! 4 = ?
Switching signs:
7 + 10 − 3 + 4 = ?
21 – 3 = ?
? = 18