Coding and Decoding Questions

If 3!5 = 30, 6!1 = 12 and 5!8 = 80, then find the value of 2!2 = ?

If A means '+', @ means 'x', & means '/' and V means '-', then the value of

7 @ 2 V 135 & 5 @ 3 & 9 A 1

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

3 + 5 - 2 = 4

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

26 - 2 x 30 ÷ 6 + 16 = 20

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

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

7 x 16 + 20 - 20 ÷ 10 = 31

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

40 ÷ 8 x 5 + 15 - 2 = 30

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

17 x 6 + 2 - 9 ÷ 2 = 44