Question: On which day in April is Gautam's birthday?

Statements:

1. Gautam was born exactly 28 years after his mother was born.
2. His mother will be 55 years 4 months and 5 days on August 18 this year.

Question: What is the code for 'is' in the code language ?

Statements:

1. In the code language, 'shi tu ke' means 'pen is blue'.
2. In the same code language, 'ke si re' means 'this is wonderful'.

Question: Among A, B, C, D and E, who is in the middle while standing in a row ?

Statements:

1. C, who is third to the left of D, is to the immediate right of A and second to the left of E.
2. C is second to the left of E, who is not at any of the ends and who is third to the right of A. D is at one of the ends.

Question: Among A, B, C, D, E and F, who is the heaviest ?

Statements:

1. A and D are heavier than B, E and F but none of them is the heaviest.
2. A is heavier than D but lighter than C.