Coding and Decoding Questions

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

18 + 26 - 25 x 10 ÷ 5 = 42

Which of the following interchange of signs would make the equation correct?

5 + 3 x 8 ­ 12 ÷ 4 = 3

In a certain code, TRIPPLE is written as SQHOOKD. How is EXOTIC coded in that code?

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

13 - 14 ÷ 30 x 7 + 15 = 13

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 = ?

If the mathematical operator, '+' means 'x', '/' means '-', '-' means '+', and 'x' means '/', then the value of 11 +14 x7- 5 / 29 is

Which one of the following interchanges in signs and numbers would make the given equation correct?

3 + 5 - 2 = 4

If 18!10 = 4, 10!4 = 3 and 4!8 = -2, then find the value of 16!18 = ?