Coding and Decoding Questions

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then

132 & 3 # 10 @ 20 % 2 = ?

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

21 + 16 x 35 - 70 ÷ 20 = 9

If "A" denotes "addition", "B" denotes "divided by", "C" denotes "multiplication" and "D" denotes "subtraction", then

96 B 12 C 4 A 8 D 32 = ?

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

15 x 2 + 10 - 8 ÷ 20 = 15

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

48 * 4 * 6 * 3 * 30

If 7*7 = 140, 6*1 = 70 and 3*5 = 80, then find the value of 4*4 = ?

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "­" means "multiplied by", then

96 x 12 – 4 + 13 ÷ 21 = ?

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

15 x 4 + 10 - 10 ÷ 14 = 10