The correct option is D All the above cases are possible.
As per the given conditions are -
(I) Mala, Ajit and Suman - Know how to cook a dish.
(II) Females are Mala and Sapna and Males are Ajit and Sarat.
Condition 1: At least one person should be in each pantry who knows cooking.
Condition 2: Manjit and Sarat are not in the same pantry.
Condition 3: Each pantry has three persons and the pantries cannot have all females or all males chefs.
Condition 4: Each pantry has exactly three persons.
It is given that Suman and Manjit are the two chefs in the P1 pantry. And Suman can cook a dish in a pantry. And Manjit is in P1 pantry, so Sarat must be in the P2 pantry. Also, only one out of Mala and Ajit can be in the P1 pantry (as three persons in one pantry) or Sapna can be in the P1 pantry. It satisfies all the conditions. Here all the three given cases are possible.