It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

The Little ant seems to be always confused. Do you know why?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

What can you catch but never throw?

John was piloting a plane behind a car but was never able to overtake it. Why?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Which number should replace the question mark?