Coding and Decoding Questions

If ETHANOL is coded as HWKDQRO, then how will MIX be coded as?

The following equation is incorrect. Which two signs should be interchanged to correct the equation? 12 - 6 x 5 + 20 ÷ 4 = 31

If 56 x 11 = 9, 37 x 13 = 6, 42 x 12 = 3, then find the value of 87 x 77.

If P denotes +, Q denotes -, R denotes '÷', and S denotes X, then: 18S36R12Q6P7 = ?

If FLOTSAM is coded as UOLGHZN, then how will PIN be coded as?

In a certain code language, “CUDGEL” is written as “FYGKHP”. How is “DAINTY” written in that code language?

If PROJECT is coded as KILQVXG, then how will EGO be coded as?

If P denotes ÷ , Q denotes x, R denotes + and S denotes ­ then what is the value of 18Q12P4R5S6