WBCS (Executive) 2019 Prelims Previous Year Paper

Arrange the following in a meaningful sequence:
(i) Consultation
(ii) Illness
(iii) Doctor
(iv) Treatment
(v) Recovery

Which of the following interchanges of numbers would make the given equation correct?
$$8\times 20÷3+9-5=38$$

If $A>B$, $B>C$ and $C>D$, then which of the following conclusions is definitely wrong?

If '$<$ ' means 'minus', '$>$ ' means 'plus' , '$=$ ' means 'multiplied by' and '$/$ ' means 'divided by', then what would be the value of $27>81/9<6$?

How many 3s are there in the following sequence which are neither preceded by 6 nor immediately followed by 9?
$$\text{9 3 6 6 3 9 5 9 3 7 8 9 1 6 3 9 6 3 9}$$