Coding and Decoding Questions

If in a certain language if ENTRY is coded as 12345 and STEADY is coded as 931785, then state which is the correct code for below word. NEATNESS

If "A" means "plus", "B" means "divide", "C" means "multiply" and "D" means "minus", then

162 B 27 C 5 A 8 D 35 = ?

If "A" means "minus", "B" means "divided by", "C" means "plus" and "D" means "multiplied by", then

54 B 6 A 4 C 2 D 5 = ?

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

18 - 2 ÷ 20 + 5 x 16 = 69

If "A" means "subtraction", "B" means "division", "C" means "addition" and "D" means "multiplication", then

305 B 5 A 28 C 43 D 12 = ?

If "A" denotes "addition", "B" denotes "divided by", "C" denotes "multiplication" and "D" denotes "subtraction", then

96 B 12 C 4 A 8 D 32 = ?

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

6 x 18 + 40 ÷ 30 - 10 = 20

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

18 x 12 - 6 ÷ 5 + 4 = 35