The truth table for an OR gate has an output of 1

Select the correct combination of mathematical signs that can sequentially replace the $ signs and make the equation correct.

If 'A' stands for '+', 'B' stands for '-', 'C' stands for ' X ', 'D' stands for '÷', what will come in the place of (?) in the following equation?

Select the correct combination of mathematical signs to replace (#) signs and to balance the given equation.

630 # 15 # 14 # 5 # 24 # 121

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.

24 * 2 * 16 * 2 * 13 = 53

If ‘$’ means ‘÷’, ‘#’ means ‘-’, ‘!’ means ‘×’ and ‘^’ means ‘+’, then the value of 84 ! 5 # 6 ^ 21 $ 7 is

Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.

If P means ‘multiplied by’, T means ‘subtracted from’, M means ‘added to’ and B means ‘divided by’, then 40 B 8 P 8 T 14 M 9 = ?

Select the correct sequence of mathematical signs to replace the ‘@’ signs so as to balance the given equation.

264 @ 44 @ 17 @ 6 @ 32 = 76