Coding and Decoding Questions

In a certain coding language, 'Ginger is a root' is written as 4123, 'A tree has a root' is 75422 and 'Tree is green' is 385. Which digit represents 'root'?

If 'WZB' stands for 'DAY', how will you code 'MONDAY'?

If 80&10 = -8, 50&2 = -25 and 80&16 = -5, then find the value of 20&5 = ?

If MACHINE is coded as 19-7-9-14-15-20-11, how will you code DANGER?

In a certain code, 592 means 'grapes are sweet', 374 means 'I like oranges' and 267 means 'oranges are sour'. Which digit represents sour?

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then 126 x 14 + 7 - 3 ÷ 2 = ?

If x stands for - , + means x , ÷ means + and - means ÷ , then what is the value of the given expression?

175 - 25 ÷ 5 + 2 x 3 + 10 = ?

If mathematical operators '-' and '/' are interchanged, then the value of 15 x 4 ÷ 15 - 11 x 33 ÷ 98 is