Coding and Decoding Questions

If the given interchanges namely signs + and / and numbers 2 and 4 are made in signs and numbers, which one of the following would be correct?

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

9 x 18 ÷ 5 - 90 + 8 = ?

If the letters in PRABA are coded as 27595, and HITAL are coded as 68354, how can BHARATHI be coded?

If in a certain code, UNGIMMICKY is written as MIGNUYKCIM, then how will COMPLEXITY be written as in the same code?

In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

12 - 2 + 6 x 20 ÷ 18 = ?

If DIJOB means CHINA, then the last letter of the word got by decoding KBQBO is

In a certain code language, “FUNGI” is written as “HYPKK”. How is “ALGAE” written in that code language?

If 'P' means 'divided by', 'T' means 'add', 'M' means 'subtract' and 'D' means 'multiplied by', then what will be the value of the following expression?

12 M 12 D 28 P 7 T 15