Coding and Decoding Questions

If 16#2 = 16, 12#6 = 36 and 6#1 = 3, then find the value of 4#4 = ?

If 19!3 = 32, 13!4 = 18 and 12!2 = 20, then find the value of 17!3 = ?

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

13 - 14 ÷ 30 x 7 + 15 = 13

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?

15 x 4 + 10 - 10 ÷ 14 = 10

If - means /, / means +, x means - and + means x, then determine the value of

35 - 7 x 14 / 28

If 9&4 = 50, 3&7 = -40 and 7&5 = 20, then find the value of 4&5 = ?

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

20 + 12 x 35 - 20 ÷ 10 = 31